Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$3(0)-4y=-7$$

Answer

y=7/4

Solution


Simplify  \(3\times 0\)  to  \(0\).
\[0-4y=-7\]
Simplify  \(0-4y\)  to  \(-4y\).
\[-4y=-7\]
Divide both sides by \(-4\).
\[y=\frac{-7}{-4}\]
Two negatives make a positive.
\[y=\frac{7}{4}\]

Decimal Form: 1.75

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