Answer:
4x + 8 , 3x + 21, 10x + 35
Explanation:
4(x+2) = 4x + 8
3(x+7) = 3x + 21
5(2x+7) = 10x + 35
simply multiply the number on the outside of the parenthesis by the numbers on the inside of the parenthesis
4.5m questions
5.7m answers