Example

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

Question

$$(x+4y)+(2x-y)$$

Answer

3*x+3*y

Solution


Remove parentheses.
\[x+4y+2x-y\]
Collect like terms.
\[(x+2x)+(4y-y)\]
Simplify.
\[3x+3y\]
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