Question

Resolva as seguintes equações:.
A)13+8x-4=5x+10 B)2x+10-15= -3x +10 C)4x+20+3x +15=21 D)5x+5-3x=6 E)8x-8= 8-8x+12

Answer 1

a) 101
b) -15
c) 181
d) 12
e) -12

espero esteja certo

Answer 2

a)13+8×-4=5×+10
+8×-5×=+10-13
+3×= -3
×= -3/3
×= -1

b)2×+10-15=3×+10
2×-3×=+10-10+15
×= 0+15
×= 15

c)4×+20+3×+15=21
4×+3×=21-15-20
7× = +6-20
7×=-14
×= -14/7
x= -2

d)5×+5-3×=6
5×-3×=6-5
2× =1
×=1/2

e)8× -8=8-8×+12
8×+8×= 12+8+8
16× =28
×=28/16