4x+45=8x+9

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


Simplifying
4x + 45 = 8x + 9

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

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

Solving
45 + 4x = 9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
45 + 4x + -8x = 9 + 8x + -8x

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

Combine like terms: 8x + -8x = 0
45 + -4x = 9 + 0
45 + -4x = 9

Add '-45' to each side of the equation.
45 + -45 + -4x = 9 + -45

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

Combine like terms: 9 + -45 = -36
-4x = -36

Divide each side by '-4'.
x = 9

Simplifying
x = 9

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