Question

Solve for X

7-8X=7(1+7X)

Answer 1

x = 0

Explanation:

Given

7 - 8x = 7(1 + 7x) ← distribute parenthesis

7 - 8x = 7 + 49 x ( subtract 49x from both sides )

7 - 57x = 7 ( subtract 7 from both sides )

- 57x = 0 ⇒ x = 0

Answer 2

x = 0

Explanation:

`7-8x=7(1+7x)\qquad\text{use the distribtutive property}\ a(b+c)=ab+ac\\\\7-8x=(7)(1)+(7)(7x)\\\\7-8x=7+49x\qquad\text{subtract 7 from both sides}\\\\-8x=49x\qquad\text{subtract}\ 49x\ \text{from both sides}\\\\-57x=0\qquad\text{divide both sides by (-57)}\\\\x=0`