Example

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

Question

$$3x+7=2(x+1)+x-1$$

Answer

[No Solution]

Solution


Expand.
\[3x+7=2x+2+x-1\]
Simplify  \(2x+2+x-1\)  to  \(3x+1\).
\[3x+7=3x+1\]
Cancel \(3x\) on both sides.
\[7=1\]
Since \(7=1\) is false, there is no solution.
No Solution
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