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How do you rewrite equations so that the answer, or variable remains the same?

How do you rewrite equations so that the answer, or variable remains the same?. Which equation is the same as…. 25 – (8 + 6). (25 + 8) – 6 25 – (6 + 8) (25 – 8) + 6 (8 + 6) – 25. Which equation is the same as…. 90 – (15 + 6). 90 – (6 + 15) (15 + 6) - 90 90 + 15 - 6 (90 – 15) + 6.

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How do you rewrite equations so that the answer, or variable remains the same?

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  1. How do you rewrite equations so that the answer, or variable remains the same?

  2. Which equation is the same as….25 – (8 + 6) • (25 + 8) – 6 • 25 – (6 + 8) • (25 – 8) + 6 • (8 + 6) – 25

  3. Which equation is the same as….90 – (15 + 6) • 90 – (6 + 15) • (15 + 6) - 90 • 90 + 15 - 6 • (90 – 15) + 6

  4. Which equation is the same as….(8 + 12) - 10 • 10 – (8 + 12) • 8 + (10 - 12) • (8 + 10) - 12 • (12 + 8) – 10

  5. Which equation is the same as….3(4 + 5) • 4(3 + 5) • (3•4) + (3•5) • (4 + 5) / 3 • 5(3 + 4)

  6. Which equation is the same as….3s – 9 = 15 • 3s = 15 – 9 • -9 = 15 + 3s • 3s = 15 + 9 • 9 = 15 / 3s

  7. Which equation is the same as….25 = 3b + 10 • 25 – 10 = 3b • 25 / 10 = 3b • 3b = 25 + 10 • 25 + 3b = 10

  8. Which equation is the same as….j(5 + 4) • (j + 4)5 • 4(j + 5) • j • 5 • 4 • (5j) + (4j)

  9. Which equation is the same as….r(8 + 7) • (r + 8)7 • 8(r + 7) • 8r + 7r • r + 8 + 7

  10. Which equation is the same as….4(q + b) • 4q + 4b • 4 – (q + b) • 4 + q + b • (4q) + b

  11. Which expression is equivalent to: 6(8y + 12) a. (6 • 8)y + 12 b. (6 • 8 • 12)y c. (6 • 8) + (6 • 12)y d. (6 • 8)y + (6 • 12)

  12. Which expression is equivalent to: 2(a + 6) + 3a a. 11a b. 36a c. 5a + 6 d. 5a + 12

  13. Which expression is equivalent to: 2(c + 3) + 5c a. 7c + 6 b. 13c c. 10c + 3 d. 5c – 6c

  14. Which expression is equivalent to: 5(h + 7) + 9h a. 12h + 9h b. 14h + 7 c. 14h + 35 d. 21h

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