Here is the way it looks:
x + 5= 7
You want the variable 'x' alone, so you subtract 5 from both sides like so:
x+ 5= 7
-5 -5
to
x = 2
So the answer is two (2).
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X plus 7-12?
(x^2 + 9x +14) / (x+5) Factor (x^2 + 9x +14) [(x+7)(x+2)]/[(x+5)], x cannot equal -5
If n = 7, then 5n + 4 = 5 x 7 + 4 = 39.
"x" would equal 1 because 7/1 is 7 minus 2 equals 5 and 3/1 is 3 plus or + 2 is 5.
(x+5)(x+6) equals x^2 +11x+30