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2x=11-3
2x=8
x=8÷2=4
b.7x=8+3x
7x-3x=8
4x=8
x=8÷2=4
c.3p+5=17-p
3p+p=17-5
2p=12
p=12÷2=6
d.7q=5q-12
7q-5q=-12
2q=-12
q=-12÷2=-6
e.6-5y=9-4y
6-9=-4y+5y
-3=y
f.7n+4=4n-17
7n-4n=-17-4
3n=-21
n=-21÷3=-7
g.2(5-2x)=3(5-x)
10-4x=15-3x
10-15=-3x+4x
-5=x
h.-2x+5=-x+(-9)
5+9=-x+2x
14=x
i.18+7x=2(3x-4)
18+7x=6x-8
7x-6x=-8-18
x=-26
mudah-mudahan bener yaa..