Question

0,7(2x-5)=2,2-2(0,3x+7,85) как решить?

Answer 1

0.7(2х-5)=2.2-2(0.3х+7.85)
1.4х-3.5=2.2-0.6х-15.7
1.4х+0.6х=2.2-15.7+3.5
2х=-10
х=-10/2
х=-5