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Solving Equations

By: Savana B ixler. Solving Equations. One step (subtraction). Subtraction:. 1). x+5=20 -5=-5 x=15. Subtract 5 from both sides. One step (addition). addition. Z-25=12 +25=+25 Z=37. Add 25 to both sides. One step (division). Division:. 3x=6 3=3

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Solving Equations

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  1. By: Savana Bixler Solving Equations

  2. One step(subtraction) Subtraction: 1) x+5=20 -5=-5 x=15 • Subtract 5 from both sides

  3. One step(addition) addition Z-25=12 +25=+25 Z=37 • Add 25 to both sides

  4. One step(division) Division: 3x=6 3=3 X=2 • Divide by 3 on both sides

  5. One step(multiplication) Multiplication: *6 (x/6)=5 *6 X=30 • Multiply 6

  6. Two step(addition, division) Addition and division: 3x-2=7 +2=+2 3x=9 3=3 X=3 • Add 2 to both sides. • Divide by 3 on both sides.

  7. Two step(subtraction, division) Subtraction and division: 3x+2=14 -2=-2 3x=12 3=3 X=4 • Subtract 2 from both sides • Divide by 3 on both sides

  8. Two step(addition, multiplication) Addition and multiplication: z/2-6=8 +6=+6 *2 z/2=14 *2 Z=28 • Add 6 to both sides • Multiply 2 on both sides

  9. Two step(addition, multiplication) Addition and multiplication: z/4-2=6 +2=+2 *4 z/4=8 *4 Z=32 • Add 2 to both sides • Multiply 4 on both sides

  10. Multi-step equation(two variables-same sides) Same sides: 2x+5x=49 7x=49 • 7 X=7 • Combine like terms • Divide by 7 on both sides

  11. Multi-step equation(two variables-different sides) Different sides: 7x-5=4x+8 -4x -4x 3x=13 3=3 X=4.333 • Get your variables on the same sides by subtracting 2x from both sides • Add 5 to both sides • Divide both sides by 3

  12. Multi-step equations(using distributive property) Distributive property: 3(x+4)=9 3x+12=9 -12=-12 3x=-3 3=3 X=-1 • Distribute the 2 from the out side of the parenthesis • Subtract 6 from both sides • Divide both sides by 3

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