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Solving for One Variable in Terms of Another Variable

Solving for One Variable in Terms of Another Variable. Solve the equation for b. A = bh Which variable am I solving for? h h Divide by h on both sides. A = b Solved for b . h. Solve the equation for h.

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Solving for One Variable in Terms of Another Variable

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  1. Solving for One Variable in Terms of Another Variable

  2. Solve the equation for b. • A = bh Which variable am I solving for? • h h Divide by h on both sides. • A = b Solved for b. h

  3. Solve the equation for h. • A = bh Which variable am I solving for? • b b Divide by b on both sides. • A = h Solved for h. b

  4. Solve the equation for h. • V = lwh Which variable am I solving for? • lw lw Divide by lw on both sides. • V = h Solved for h. lw

  5. Solve the equation for w. • V = lwh Which variable am I solving for? • lh lh Divide by lh on both sides. • V = w Solved for w. lh

  6. Solve the equation for . • A = r2Which variable am I solving for? • r2r2Divide by r2 on both sides. • A = Solved for . r2

  7. Solve the equation for w. • P = 2l + 2wWhich variable am I solving for? • -2l-2lSubtract 2l from both sides. • P – 2l = 2wCan’t combine P and -2l • 2 2 Divide both sides by 2. • P – 2l= w Solved for w. 2

  8. Solve the equation for h. • A = bh Which variable am I solving for? • b b Divide by b on both sides. • A = h Multiply both sides by 2. b • (2)A = h(2) Multiply both sides by 2. b • 2A = hSolved for h.b

  9. Solve the equation for . • V = r2hWhich variable am I solving for? • r2hr2hDivide by r2h on both sides. • V = Solved for . r2h

  10. Solve the equation for z. • x + y + z = P Which variable am I solving for? • -x -y-x -ySubtract x and y from both sides. • z = P – x – y Can’t combine P, -x and -y • z = P – x – y Solved for z.

  11. Solve the equation for n. •  - l= m Which variable am I solving for? • +l +lAdd l to both sides. •  = m + l Can’t combine m and l • (k) = k(m + l)Multiply both sides by k. • n = km + kl Solved for n.

  12. Solve the equation for y in terms of x. • 5x + 6y = 24 Which variable am I solving for? • -5x -5x Subtract 5x from both sides. • 6y = -5x + 24 Can’t combine -5x and 24 • 6 6 6 Divide by 6. • y = -x + 4 Solved for y.

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