How do you simplify $(18x-9y)+8x+3(20ydiv10)$ ?

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Answer 1 · 2016-11-16T13:17:19

$26x-3y$

$(18x -9y) +8x +3(color(red)(20ydiv10))$

= $18x-9y +8x +3(color(red)(2y))" "larr$ re-arrange like terms

= $18x+8x-9y+6y$

= $26x-3y$

How do you simplify (18x-9y)+8x+3(20ydiv10)(18x-9y)+8x+3(20ydiv10)?