Question

resolver:
3x+4=-2x+24

resolverlo:
3x+4=25

resolver:
5x+4=3x+2

resolver:
2x+7=5x-5

resolver:
5x=4 (3+2x)
​

Answer 1

Respuesta:

a) 3×+4=-2×+24

3×+2×=24-4

5×=20

×=20/5

×=4

b) 3x+4=25

3×=25-4

3×=21

×=21/3

×=7

c) 5×+4=3×+2

5×-3×=2-4

2×=-2

×=-2/2

×= -1

d) 2×+7=5×-5

2×-5×=-5-7

-3×=-12

×=-12/-3

×=4

e) 5×=4(3+2×)

5×=12+8×

5×-8×=12

-3×=12

×=12/-3

×= -4