Solve for y
y=4
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3.5y=10.5+3.5
Add 3.5 to both sides.
3.5y=14
Add 10.5 and 3.5 to get 14.
y=\frac{14}{3.5}
Divide both sides by 3.5.
y=\frac{140}{35}
Expand \frac{14}{3.5} by multiplying both numerator and the denominator by 10.
y=4
Divide 140 by 35 to get 4.
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