8x+45=3x+9x

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Solution for 8x+45=3x+9x equation:


Simplifying
8x + 45 = 3x + 9x

Reorder the terms:
45 + 8x = 3x + 9x

Combine like terms: 3x + 9x = 12x
45 + 8x = 12x

Solving
45 + 8x = 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
45 + 8x + -12x = 12x + -12x

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

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

Add '-45' to each side of the equation.
45 + -45 + -4x = 0 + -45

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

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

Divide each side by '-4'.
x = 11.25

Simplifying
x = 11.25

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