Question

Write an equivalent expression for each of the following:
1) 1 - 3(7 + 5g)
2) 2(x + 7) + 2y
3) 5 + 3x
4) 4y + 4 + 4 + 3y
5) -2(-2x - 5)
6) Explain how you can prove that 2(2x + 1) = 4x + 2