Question

From the set {5, 7, 40}, use substitution to determine which value of x makes the equation true.

7(x + 35) = 280

A. 7
B. none of these
C. 40
D. 5

Please help me !!!!

Answer 1

I am in middle school

Explanation:

Answer 2

D. 5

Explanation:

7 (x + 35) = 280

x + 35 = 280/7

= 40

x = 40 - 35

= 5

So it the correct option is D. Sorry I am late!!