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=3x+3=2x+8
=x=5
b. 5(y-1)=4y
=5y-5=4y
=y=5
c. 4(3-2y)=15-7y
=12-8y=15-7y
=-y=3
y=-3
3x+3 = 2x+8
3x - 2x = 8 - 3
x = 5
b. 5(y-1) = 4y
5y - 5 = 4y
5y - 4y = 5
y = 5
c. 4(3-2y) = 15 - 7y
12 - 8y = 15 - 7y
-8y + 7y = 15 - 12
-y = 3
y = -3