Question

a) 10x -25=2x+63 b)12x -5+7=5x+86 c)8x -10=2x+50

Answer 1

Resposta:

a) 10x-25=2x+63

10x-2x=63+25

8x= 88

x= 88/8

x= 11

b) 12x-5+7=5x+86

12x-5x= 86+5-7

7x= 91-7

7x= 84

x= 84/7

x= 12

c) 8x-10=2x+50

8x-2x= 50+10

6x= 60

x= 60/6

x= 10