Mathematics, 04.07.2019 13:00 sophiaa23
Consider the sequence of steps to solve the equation: 2(x − 4) + 6x = 9x − 10 which step in solving this equation is justified by the commutative property of addition? given ⇒ 2(x − 4) + 6x = 9x − 10 step 1 ⇒ 2x − 8 + 6x = 9x − 10 step 2 ⇒ 2x + 6x − 8 = 9x − 10 step 3 ⇒ 8x − 8 = 9x − 10 step 4 ⇒ 8x − 8x − 8 = 9x − 8x − 10 step 5 ⇒ 0 − 8 = x − 10 step 6 ⇒ −8 = x − 10 step 7 ⇒ −8 + 10 = x − 10 + 10 step 8 ⇒ 2 = x + 0 step 9 ⇒ 2 = x
Answers: 1
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Consider the sequence of steps to solve the equation: 2(x − 4) + 6x = 9x − 10 which step in solving...
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