Question

A\ 4X+5=21

B\ 3+2X=2

C\ X+5=-9

Answer 1

a- 4x = 21-5
4x = 16
x = 16/4
x = 4

b- x = -0,5

c- x = x = -14

Answer 2

A) 4X=21-5
4X=16
X=16/4
X=4

B) 2X= 2-3
2X= -1
X= -1/2

C) X= -9-5
X= -14