8x+45=9-4x

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Solution for 8x+45=9-4x equation:


Simplifying
8x + 45 = 9 + -4x

Reorder the terms:
45 + 8x = 9 + -4x

Solving
45 + 8x = 9 + -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.
45 + 8x + 4x = 9 + -4x + 4x

Combine like terms: 8x + 4x = 12x
45 + 12x = 9 + -4x + 4x

Combine like terms: -4x + 4x = 0
45 + 12x = 9 + 0
45 + 12x = 9

Add '-45' to each side of the equation.
45 + -45 + 12x = 9 + -45

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

Combine like terms: 9 + -45 = -36
12x = -36

Divide each side by '12'.
x = -3

Simplifying
x = -3

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