Example

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

Question

$$(9x+4)+(9x+4y)$$

Answer

18*x+4+4*y

Solution


Remove parentheses.
\[9x+4+9x+4y\]
Collect like terms.
\[(9x+9x)+4+4y\]
Simplify.
\[18x+4+4y\]
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