1) 5(х+3)=27+35x + 15 = 27 + 32x = 1x = 6
2) 3y + (4 - 2y) = 3y + 4 - 2y = y + 4 = y = 2
3) 5y - (13 + y) = y + 15y - 13 - y = y + 14y - 13 = y + 13y = 2y = 9
4) 3(2 - 4) - 2(+3) = -3(-2) - 2(3) = --6 - 6 = --12 = -2
5) 4y - 3 = 2(7 - y) + 4y - 3 = 14 - 2y + 6y = 1y = 3
1) 5(х+3)=27+3
5x + 15 = 27 + 3
2x = 1
x = 6
2) 3y + (4 - 2y) =
3y + 4 - 2y =
y + 4 =
y = 2
3) 5y - (13 + y) = y + 1
5y - 13 - y = y + 1
4y - 13 = y + 1
3y = 2
y = 9
4) 3(2 - 4) - 2(+3) = -
3(-2) - 2(3) = -
-6 - 6 = -
-12 = -2
5) 4y - 3 = 2(7 - y) +
4y - 3 = 14 - 2y +
6y = 1
y = 3