Question

Got stuck on this question

Answer 1

x = -1

Explanation:

3(2x + 7) = 6x + 21 (multiply all numbers in the bracket to the 3 outside the bracket.

6x + 21 = -31 + 46

+31 +31

6x + 52 = 46

-52 -52

6x = -6

÷6 ÷6

x = -1