Question

a) 3y – 8 = 13
b)12x – 10 = 5x + 11
c) 7x+ 5 = 68 -2x
d) 14 -3x = 2x +29​

Answer 1

resposta:

a) 3y-8=13

3y=13+8

y=21÷3

y=7

b)12X-10=5X+11

12X-5X=11+10

7X=21

X=21÷7

X=3

c)7X+5=68-2X

7X+2X

9X=63

X=63÷9

X=7

d)14-3X=2X+29

3X-2X=29-14

X=15