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Simplify 3(2x+5)-4(2x-7)
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2 votes
Simplify 3(2x+5)-4(2x-7)

User Jeff Hay
by
7.6k points

1 Answer

6 votes
For this you need to expand the brackets first:
3(2x+5)-4(2x-7) = 6x+15-8x-28
And then now you need to add and simplify:
6x+15-8x-28 —> 6x-8x= -2x
15-28= -13
So that leaves
-2x - 13
User DougW
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7.5k points
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