Question

A)7×+8×+30=45
B)7×-5+×=8+3

Answer 1

Resolver.

7x + 8x + 30 = 45
15x + 30 = 45
15x = 45 - 30
15x = 15
x = 15/15
x = 1

7x - 5 + x = 8 + 3
8x - 5 = 11
8x = 11 + 5
8x = 16
x = 16/8
x = 2

Answer 2

A)7x+8x+30=45
15x=45-30
x=15/15
x=1 respuesta

B)7x-5+x=8+3
8x=11+5
x=16/8
x=2 respuesta

.
saludos