Question

Resolva as equações, sendo U=Q
8x + 5 = 2(3x + 3) - 1 *
4(x - 2) = 4 + 2(x - 1) *
3(x + 4) + 1 = 2(2x + 7)
2x + 3(x - 2) = 7x + 34 *
2(1 - x) + 1 = 3(x - 3) - 2x
2(1,6 + x) + 0,5(1 + x) = 4,2
10(x - 1) -7(x + 1) = 4 *
1,8x -3(0,2x + 1) = 0,6(x - 2) *
2(2x - 1) -6(1 - 2x) = 2(4x - 5) *

Answer 1

Explicação passo-a-passo:

8×+5=6×+6-1

8×-6×=-1+6-5

2×=-6+6

2×=0

×=0/2

×=0

4×-8=4+2×-4

4×-2×=-4+4+8

2×=8

×=8/2

×=4

3×+12+1=4×+14

3×-4×=14-1-12

-×=14-13

-×=1(-1)

×=-1

2×+3×-6=7×+34

2×+3×-7×=34+6

5×-7×=40

-2×=40(-1)

2×=-40

×=-40/2

×=-20

2-2×+1=3×-9-2×

-2×-3×+2×=-9-1-2

-2×+5×=-12

3×=-12

×=-12/4

×=-3

3,2+×+0,5+0,5×=4,2

×+0,5×=4,2-0,5-3,2

1,5×=-3,7+4,2

1,5×=-5

×=-5/1,5

×=3,33

10×-10-7×-7=4

10×-7×=4+10

3×=14

×=14/3

1,8×-0,6-3=0,6×-1,2

1,8×-0,6×=-1,2+3+0,6

1,2×=+3,06-1,2

1,2×= 1,86

×=1,86/1,2

×=1,55

4×-2-6+12×=8×-10

4×+12×-8×=-10+6+2

16×-8×=-10+8

8×=-2

×=-2/8

×=-0,25