x+12=3x-2 Solve the equation
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Answers
Simplifying
x + 12 = 3x + -2
Reorder the terms:
12 + x = 3x + -2
Reorder the terms:
12 + x = -2 + 3x
Solving
12 + x = -2 + 3x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3x' to each side of the equation.
12 + x + -3x = -2 + 3x + -3x
Combine like terms: x + -3x = -2x
12 + -2x = -2 + 3x + -3x
Combine like terms: 3x + -3x = 0
12 + -2x = -2 + 0
12 + -2x = -2
Add '-12' to each side of the equation.
12 + -12 + -2x = -2 + -12
Combine like terms: 12 + -12 = 0
0 + -2x = -2 + -12
-2x = -2 + -12
Combine like terms: -2 + -12 = -14
-2x = -14
Divide each side by '-2'.
x = 7
Simplifying
x = 7
Answer:
x=7
Step-by-step explanation:
Let's solve your equation step-by-step.
x+12=3x−2
Step 1: Subtract 3x from both sides.
x+12−3x=3x−2−3x
−2x+12=−2
Step 2: Subtract 12 from both sides.
−2x+12−12=−2−12
−2x=−14
Step 3: Divide both sides by -2.
−2x
−2
=
−14
−2
x=7
Answer:
x=7
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