a) -7(x + 2)+4=-3x
-7x - 14 +4=-3x
-10=3x=7x
-10=10x/:/10
-1=x
b)3x-5=4=2x
3x-2x=4+5
x=9
c)-5x-17=-9x+3
-5x+9x=3+17
4x=20/:/4
x=5
a.-7x-14+4=3x
-7x-3x=14-4
-10x=10/(-10)
x=-1
b.3x-5=4+2x
c.-5x-17=-9x+3
4x=20/4
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a) -7(x + 2)+4=-3x
-7x - 14 +4=-3x
-10=3x=7x
-10=10x/:/10
-1=x
b)3x-5=4=2x
3x-2x=4+5
x=9
c)-5x-17=-9x+3
-5x+9x=3+17
4x=20/:/4
x=5
a.-7x-14+4=3x
-7x-3x=14-4
-10x=10/(-10)
x=-1
b.3x-5=4+2x
3x-2x=4+5
x=9
c.-5x-17=-9x+3
-5x+9x=3+17
4x=20/4
x=5