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a)7-2x=4+x
b)9-3x=5+4x
c)2x-1+3x=10
d)-1-3x-7x+4-2=0
e)3(x+2)=15
f)7(x-2)=5(_x+3)
g)2x+3(x-5)=4x+9
h)x/2+x/4=6
j)x/5+5=x/4+4
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a)7-2x=4+x
2x-x=4-7
x=-3
b)9-3x=5+4x
3x-4x=5-9
-x=-4 (x1)
x=4
c)2x-1+3x=10
2x+3x=10+1
5x=11
x=11/5
d)-1-3x-7x+4-2=0
-3x-7x=1+2-4
-10x=-1 (x10)
10x=1
x=1/10
e)3(x+2)=15
3x+6=15
3x=15-6
3x=9
x=9/3
x=3
f)7(x-2)=5(_x+3)
7x-14=5x+15
7x+(-)5x=15+14
2x=29
x=29/2
g)2x+3(x-5)=4x+9
2x+3x+15=4x+9
5x-4x=9-15
1x=-6
h)x/2+x/4=6
2x/6=6
2x/6=6/1
2x=36
x=36/2
x=18
j)x/5+5=x/4+4
x/5+(-x/4)=4-5
x/1=1
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