5(x-9)=-2 3=4(x+2) -7=5(x+5) 9=5(x+9) 7(x-1)=3x 9(x+7)=-x - вопрос №59234275595971397534252727 от thefirststudent 11.02.2020 14:47

Question

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

thefirststudent · Answer

5х-45=-25х=43х=43/5х=8 3/53=4х+84х=-5х=-5/4х=-1 1/4-7=5х+255х=-32х=-32/5х=-6 2/59=5х+455х=-36х=-36/5х=-7 1/57х-7=3х4х=7х=7/4х=1 3/49х+63=-х10х=-63х=-6,35х-15=4хх=15...