1)(2 х - 4) - (13 х + 3) = 15
2x-4-13x-3=15
-11x-7=15
-11x=15+7
-11x=22
x=-2
2)-5 + (у - 25) = -4
-5+y-25=-4
-30+y=-4
y=-4+30
y=26
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1)(2 х - 4) - (13 х + 3) = 15
2x-4-13x-3=15
-11x-7=15
-11x=15+7
-11x=22
x=-2
2)-5 + (у - 25) = -4
-5+y-25=-4
-30+y=-4
y=-4+30
y=26