8x + 30 = 5x
Subtract 30 from each side:
8x = 5x - 30
Subtract 5x from each side:
3x = -30
Divide each side by 10:
x = -10
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9z-5z = 30+z 3z = 30 z = 10
Ten. That means 3x equals 30, and 30 divided by three is ten.
-1
It depends on the value of n.
(x+5)(x+6) equals x^2 +11x+30