Question

g)7×+1=9×-7

h)4×+5=×+20

i)3×+3+4×-6=5×-5+8​

Answer 1

Resposta:

g) x=4

h)x=5

i)x=3

Explicação passo-a-passo:

g) 7x-9x = -7-1

-2x = -8

x= -8 / -2

x=4

h) 4x+5 = x+20

4x+x = 20-5

3x = 15

x= 15/3

x=5

i) 7x-3 =5x+3

7x-5x = 3+3

2x=6

x= 6/2

x=3