2x+5x=300+3x

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Solution for 2x+5x=300+3x equation: 


Simplifying
2x + 5x = 300 + 3x

Combine like terms: 2x + 5x = 7x
7x = 300 + 3x

Solving
7x = 300 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
7x + -3x = 300 + 3x + -3x

Combine like terms: 7x + -3x = 4x
4x = 300 + 3x + -3x

Combine like terms: 3x + -3x = 0
4x = 300 + 0
4x = 300

Divide each side by '4'.
x = 75

Simplifying
x = 75

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