A)2x-6=24-3x
2x+3x=24+6
5x=30
x=30÷5
x=6
B)15x+10=10x-30
15×-10x=-30-10
5x=-40
x=-40÷5
x= -6
C)9+3x=36
3x=36-9
3x=27
x=27÷3
x=9
D)5.(2x+3)+5x=12x +45
10x+15+5x=12x+45
10x+5x-12x=45-15
3x=30
x=30÷3
x=10
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A)2x-6=24-3x
2x+3x=24+6
5x=30
x=30÷5
x=6
B)15x+10=10x-30
15×-10x=-30-10
5x=-40
x=-40÷5
x= -6
C)9+3x=36
3x=36-9
3x=27
x=27÷3
x=9
D)5.(2x+3)+5x=12x +45
10x+15+5x=12x+45
10x+5x-12x=45-15
3x=30
x=30÷3
x=10