5 + 7x + 2x - 3 + 6
Collect the 'x'-terms: 7x + 2x = 9x
Collect all the number terms: 5 - 3 + 6 = 8
So the original expression, after it's cleaned up, is the same as ( 9x + 8 ).
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10x + 5 which is also equal to 5(2x + 1)
-7x + 5 = -9 -7x = -14 7x = 14 x = 2
(3x2)+5=11
Nice trinomial. Thanks for sharing. It's equal to (x + 5) (x + 2) .
23 = 7x + 7x - 5 = 14x - 5 14x = 23 + 5 = 28 x = 28/14 = 2