Example

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

Question

$$2(x+3)-(x-1)=2$$

Answer

x=-5

Solution


Remove parentheses.
\[2(x+3)-x+1=2\]
Expand.
\[2x+6-x+1=2\]
Simplify  \(2x+6-x+1\)  to  \(x+7\).
\[x+7=2\]
Subtract \(7\) from both sides.
\[x=2-7\]
Simplify  \(2-7\)  to  \(-5\).
\[x=-5\]
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