Question

1)3=4(x+2)
2)-7=5(x+5)
3)9=5(x+9)
4)7(x-1)=3x
5)9(x+7)= -x
6)5(x-3)=4x

Answer 1

1.-7 = 5х+25 5х = -32 х = -6,4 2.-7 = 5х + 45 5х = -52 х = -10,4 3.9 = 5х + 45 5х = -36 х = -7,2 4. 7х-7 = 3х 4х = 7 х = 1,75 5. 9х + 63 = -х 10х = -63 х = -6,3 6.5х-15 = 4х х = 15