Example

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

Question

$$60^{\circ}+y+y=180^{\circ}$$

Answer

y=(180*deg-60*deg)/2

Solution


Simplify  \(60deg+y+y\)  to  \(60deg+2y\).
\[60deg+2y=180deg\]
Subtract \(60deg\) from both sides.
\[2y=180deg-60deg\]
Divide both sides by \(2\).
\[y=\frac{180deg-60deg}{2}\]
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