Question

2. Resolva as equações dolº grau:
3x + 5 = x +7
18 ×- 43 = 65
b)
-
23x - 16 = 14 - 17x
4x - 6 = 6x + 8​

Answer 1

Explicação passo-a-passo:

3×+5=×+7

3×-×=7-5

2×=2

×=2/2

×=0

18×-43=65

18×=65+43

18×=108

×=108/18

×=06

23×-16=14-17×

23×+17×=14+16

40×=30

×=30/40

×=0,75

4×-6=6×+8

4×-6×=8+6

-2×=14 (-1)

2×=14

×= 14/2

×=07