Question

Which of these expressions are equivalent? Show your work

7(2+3x)-3x
2(6x+7)+10x
4(3+3x)+2(1+3x)

Answer 1

7(2+3x)-3x and 4(3+3x)+2(1+3x)

Explanation:

7(2+3x)-3x

= 14 + 21x - 3x

= 18x + 14

2(6x+7)+10x

= 12x + 14 + 10x

= 22x + 14

4(3+3x)+2(1+3x)

= 12 + 12x + 2 + 6x

= 18x + 14

7(2+3x)-3x and 4(3+3x)+2(1+3x) are equal expressions.