30(.50x-2)+40(.75y-4)=

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Solution for 30(.50x-2)+40(.75y-4)= equation:


Simplifying
30(0.50x + -2) + 40(0.75y + -4) = 0

Reorder the terms:
30(-2 + 0.50x) + 40(0.75y + -4) = 0
(-2 * 30 + 0.50x * 30) + 40(0.75y + -4) = 0
(-60 + 15x) + 40(0.75y + -4) = 0

Reorder the terms:
-60 + 15x + 40(-4 + 0.75y) = 0
-60 + 15x + (-4 * 40 + 0.75y * 40) = 0
-60 + 15x + (-160 + 30y) = 0

Reorder the terms:
-60 + -160 + 15x + 30y = 0

Combine like terms: -60 + -160 = -220
-220 + 15x + 30y = 0

Solving
-220 + 15x + 30y = 0

Solving for variable 'x'.

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

Add '220' to each side of the equation.
-220 + 15x + 220 + 30y = 0 + 220

Reorder the terms:
-220 + 220 + 15x + 30y = 0 + 220

Combine like terms: -220 + 220 = 0
0 + 15x + 30y = 0 + 220
15x + 30y = 0 + 220

Combine like terms: 0 + 220 = 220
15x + 30y = 220

Add '-30y' to each side of the equation.
15x + 30y + -30y = 220 + -30y

Combine like terms: 30y + -30y = 0
15x + 0 = 220 + -30y
15x = 220 + -30y

Divide each side by '15'.
x = 14.66666667 + -2y

Simplifying
x = 14.66666667 + -2y

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