Question

RESOLVA:

a)7×+10=6×-5
b)×-4+5×=4×+8
c)-×+3=-2×+1
d)8×-3×=10+5
e)6×-15+16-4×=0
​

Answer 1

Resposta:

a) 7x+10=6x-5

7x-6x=-10-5

x=15

b) x-4+5x=4x+8

x+5×-4×=8+4

2×=12

×=12/2

×=6

c) -×+3=-2×+1

-×+2×=1-3

1×=-2

×=-2/1

×=-1

d) 8x-3x=10+5

5x=15

x=15/5

x=3

e) 6x-15+16-4x=0

6x-4x=0+15-16

2x=-1

x=-1/2

espero ter ajudado :)