Question

b) 7.(x-1)=2.(3x+1)
c) 5(x+1)+6(x+2)=9(x+3)
d)2(x-3)=-3(x-3)​

Answer 1

b) 7x-7=6x=2

7x-6x=2+7

x=9

c) 5x+5+6x+12=9x+27

11x+17=9x+27

11x-9x=27-17

2x=10

x=10/2

x=5

d) 2x-6=-3x+9

2x+3x=9+6

5x=15

x=15/5

x=3