900-4x=300+4x

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Solution for 900-4x=300+4x equation:


Simplifying
900 + -4x = 300 + 4x

Solving
900 + -4x = 300 + 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.
900 + -4x + -4x = 300 + 4x + -4x

Combine like terms: -4x + -4x = -8x
900 + -8x = 300 + 4x + -4x

Combine like terms: 4x + -4x = 0
900 + -8x = 300 + 0
900 + -8x = 300

Add '-900' to each side of the equation.
900 + -900 + -8x = 300 + -900

Combine like terms: 900 + -900 = 0
0 + -8x = 300 + -900
-8x = 300 + -900

Combine like terms: 300 + -900 = -600
-8x = -600

Divide each side by '-8'.
x = 75

Simplifying
x = 75

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