1)4x+15-10x-5+11x=0
5x+10=0
x=-2
2)((2-7x)/6+(4x+7)=-x/2)6
2-7x+24x+42+3x=0
44+20x=0
x=-2,2
3)28y-42-5y-2-6y-10-5y=0
12y-52=0
y=13/3
4)15+7y-12-3y-39=0
4y-36=0
y=9
1)4x+5(3-2x)=5-11x
4x+15-10x-5+11x=0
5x=-10 (:5)
2)(2-7x)/6+(4x+7)=-x/2
2-7x+6(4x+7)=3x
2-7x+24x+42-3x=0
4x+44=0
4x=-44 (:4)
x=-11
3) 14(2y-3)-5(y+4)=2(3y+5)+5y
28y-42-5y-20=6y+10+5y
28y-5y-6y-5y=10+42+20
12y=72 (:12)
y=6
4) 5+(7y-12)/3=y+13
5*3+7y-12=3(y+13)
15+7y-12=3y+39
7y-3y=39-15+12
4y=36 (:4)
1)4x+15-10x-5+11x=0
5x+10=0
x=-2
2)((2-7x)/6+(4x+7)=-x/2)6
2-7x+24x+42+3x=0
44+20x=0
x=-2,2
3)28y-42-5y-2-6y-10-5y=0
12y-52=0
y=13/3
4)15+7y-12-3y-39=0
4y-36=0
y=9
1)4x+5(3-2x)=5-11x
4x+15-10x-5+11x=0
5x+10=0
5x=-10 (:5)
x=-2
2)(2-7x)/6+(4x+7)=-x/2
2-7x+6(4x+7)=3x
2-7x+24x+42-3x=0
4x+44=0
4x=-44 (:4)
x=-11
3) 14(2y-3)-5(y+4)=2(3y+5)+5y
28y-42-5y-20=6y+10+5y
28y-5y-6y-5y=10+42+20
12y=72 (:12)
y=6
4) 5+(7y-12)/3=y+13
5*3+7y-12=3(y+13)
15+7y-12=3y+39
7y-3y=39-15+12
4y=36 (:4)
y=9