4x+45-7x+12x=

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Solution for 4x+45-7x+12x= equation:


Simplifying
4x + 45 + -7x + 12x = 0

Reorder the terms:
45 + 4x + -7x + 12x = 0

Combine like terms: 4x + -7x = -3x
45 + -3x + 12x = 0

Combine like terms: -3x + 12x = 9x
45 + 9x = 0

Solving
45 + 9x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-45' to each side of the equation.
45 + -45 + 9x = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 9x = 0 + -45
9x = 0 + -45

Combine like terms: 0 + -45 = -45
9x = -45

Divide each side by '9'.
x = -5

Simplifying
x = -5

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