Question

решите уравнение 7 класс
4х-1=8х+19 и 8-3(х+5)=(3+х)-х-10

Answer 1

1. 4х-1=8х+19 4х-8х=19+1 -4х=20 х=20:(-4) х=-5 2. 8-3(х+5)=(х+3)-х-10 8-3х-15=х+3-х-10 -3х-х+х=3-10-8+15 -4х=0 Х=0