Bantu jawab no 1 pake cara ya

x + 7 = -2(2x + 9)
x + 7 = -4x + -18
x + 4x = -18 -7
5x = -25
x = -5

x + 7 = -2(2x + 9)
x + 7 = -4x - 18
x + 4x = -18-7
5x = -25
x = -25/5
x = -5