-2 -3x = 10
Add 2 to both sides: - 3x = 12
Divide both sides by -3: x = -4
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An equation, solution x = -10
yes. check: 3x-6=5x-10 2x=4. X=2. yay!
x2 + 3x - 10 = (x + 5)(x - 2) ⇒ x = -5 or 2
If: 3x+6 = 12 Then: x = 2
(2, -1)