Answer:
x = -1
Step-by-step explanation:
Add like terms (3 and 7, 2x and -10x and -x)
x + 3 + 7 = 2x - 10x - x
x + 10 = -9x
Subtract x from both sides:
10 = -10x
Divide both sides by -10:
-1 = x
x=-1
Factor out the x and solve
