30(0.25x)+40(0.75x)=150

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Solution for 30(0.25x)+40(0.75x)=150 equation: 


Simplifying
30(0.25x) + 40(0.75x) = 150

Remove parenthesis around (0.25x)
30 * 0.25x + 40(0.75x) = 150

Multiply 30 * 0.25
7.5x + 40(0.75x) = 150

Remove parenthesis around (0.75x)
7.5x + 40 * 0.75x = 150

Multiply 40 * 0.75
7.5x + 30x = 150

Combine like terms: 7.5x + 30x = 37.5x
37.5x = 150

Solving
37.5x = 150

Solving for variable 'x'.

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

Divide each side by '37.5'.
x = 4

Simplifying
x = 4

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