4x-9=40x+18

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Solution for 4x-9=40x+18 equation:


Simplifying
4x + -9 = 40x + 18

Reorder the terms:
-9 + 4x = 40x + 18

Reorder the terms:
-9 + 4x = 18 + 40x

Solving
-9 + 4x = 18 + 40x

Solving for variable 'x'.

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

Add '-40x' to each side of the equation.
-9 + 4x + -40x = 18 + 40x + -40x

Combine like terms: 4x + -40x = -36x
-9 + -36x = 18 + 40x + -40x

Combine like terms: 40x + -40x = 0
-9 + -36x = 18 + 0
-9 + -36x = 18

Add '9' to each side of the equation.
-9 + 9 + -36x = 18 + 9

Combine like terms: -9 + 9 = 0
0 + -36x = 18 + 9
-36x = 18 + 9

Combine like terms: 18 + 9 = 27
-36x = 27

Divide each side by '-36'.
x = -0.75

Simplifying
x = -0.75

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