Example

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

Question

$$(2x+y)+(x+y)=$$

Answer

3*x+2*y

Solution


Remove parentheses.
\[2x+y+x+y\]
Collect like terms.
\[(2x+x)+(y+y)\]
Simplify.
\[3x+2y\]
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