300+.3x=40+.9x

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Solution for 300+.3x=40+.9x equation:


Simplifying
300 + 0.3x = 40 + 0.9x

Solving
300 + 0.3x = 40 + 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
300 + 0.3x + -0.9x = 40 + 0.9x + -0.9x

Combine like terms: 0.3x + -0.9x = -0.6x
300 + -0.6x = 40 + 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
300 + -0.6x = 40 + 0.0
300 + -0.6x = 40

Add '-300' to each side of the equation.
300 + -300 + -0.6x = 40 + -300

Combine like terms: 300 + -300 = 0
0 + -0.6x = 40 + -300
-0.6x = 40 + -300

Combine like terms: 40 + -300 = -260
-0.6x = -260

Divide each side by '-0.6'.
x = 433.3333333

Simplifying
x = 433.3333333

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