-3x+9=-40+4x

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Solution for -3x+9=-40+4x equation:


Simplifying
-3x + 9 = -40 + 4x
Reorder the terms:
9 + -3x = -40 + 4x
Solving
9 + -3x = -40 + 4x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4x' to each side of the equation.
9 + -3x + -4x = -40 + 4x + -4x
Combine like terms: -3x + -4x = -7x
9 + -7x = -40 + 4x + -4x
Combine like terms: 4x + -4x = 0
9 + -7x = -40 + 0
9 + -7x = -40
Add '-9' to each side of the equation.
9 + -9 + -7x = -40 + -9
Combine like terms: 9 + -9 = 0
0 + -7x = -40 + -9
-7x = -40 + -9
Combine like terms: -40 + -9 = -49
-7x = -49
Divide each side by '-7'.
x = 7
Simplifying
x = 7

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