Question

x+7-3x igaul a 21 5x+4por 3 igual 3x-22

Answer 1

Resolver.

x + 7 - 3x = 21
- 2x + 7 = 21
7 - 21 = 2x
-14 = 2x
-14/2 = x
-7 = x


5x + 4*3 = 3x - 22
5x + 12 = 3x - 22
5x - 3x = - 22 - 12
2x = - 34
x = - 34/2
x = - 17

Answer 2

ahi te va la solucion...