Question

1)9-7*(х+3)=5-6х
2)(7х+9)-(11х-7)=8

Answer 1

1) 9-7(х-3)=5-6х
9-7х+21=5-6
-7х+6х=5-30
-х= -25
х=25
2)(7х+9)-(11х-7)=8
7х+9-11х+7=8
-4х+16=8
-4х=8-16
-4х= -8
х=2