Question

9x=13.5和8x+2.6=22.6和3.6x-3×4.5=31.5和0.7x-0.5=8.6和(x+3)×2=8和2

Answer 1

x=13.5÷9

x=1.5

8x=22.6÷2.6

x=20÷8

x=2.5

3.6x-13.5=31.5

x=45÷3.6

x=12.5

0.7x=8.6+0.5

x=9.1÷0.7

x=13

x+3=8÷2

x=4-3

x=1

4x=4.8

x=4.8÷4

x=1.2