1. 4(8+7х)-10х=8 2. -2(-4+7х)+8х=3 3. 5х+3(-1-х)=-8х-8 - вопрос №6281672148710822478335318843619953 от dimka2zab 07.05.2020 01:14

Question

Математика: 1. 4(8+7х)-10х=8 2. -2(-4+7х)+8х=3 3. 5х+3(-1-х)=-8х-8 4. 3х-6(1+х)=-9х+9 5. -3х+5(-9+4х)=-х-4 6. -6х-4(9-7х)=-5х+1

dimka2zab · Answer

1. 32+28х-10х=8 18х=-24 х=-4/32. 8-14х+8х=3 5=6х х=5/63. 5х-3-3х=-8х-8 10х=-5 х=-0,54.3х-6-6х=-9х+9 6х=15 х=5/25. -3х-45+20х=-х-4 18х=41 х=41/186. -6х-36+28х=-5х+1 27х=37 х=37/27...