Question

7(x + 8) = 49. What is "x"?

Answer 1

`\huge\boxed{x=-1}`

Explanation:

`7(x+8)=49\qquad|\text{divide both sides by 7}\\\\(7\!\!\!\!\diagup(x+8))/(7\!\!\!\!\diagup)=(49)/(7)\\\\x+8=7\qquad|\text{subtract 8 from both sides}\\\\x+8-8=7-8\\\\x=-1`