Question

A) 2x – 5 = 15 – 3x
b) 7x – 9 = 5x – 3
c) -6x = 42
d) 4x – (2x – 1) + x = 2x – (2 + x) - x
plis ayuda doy corona

Answer 1

Ahí está todo correcto, si no entiendes me preguntas

Answer 2

A) 2x – 5 = 15 – 3x

2x+3x=15+5

5×=20

×=20/5

×=4

b) 7x – 9 = 5x – 3

7×-5×=-3+9

2×=6

×=3

c) -6x = 42

×=42/6

×=7

d) 4x – (2x – 1) + x = 2x – (2 + x) - x

3×-1=2×-2

3×-2×=-2+1

×=-1