-.75(3x+7)+.25(12x+20)=

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Solution for -.75(3x+7)+.25(12x+20)= equation:


Simplifying
-0.75(3x + 7) + 0.25(12x + 20) = 0

Reorder the terms:
-0.75(7 + 3x) + 0.25(12x + 20) = 0
(7 * -0.75 + 3x * -0.75) + 0.25(12x + 20) = 0
(-5.25 + -2.25x) + 0.25(12x + 20) = 0

Reorder the terms:
-5.25 + -2.25x + 0.25(20 + 12x) = 0
-5.25 + -2.25x + (20 * 0.25 + 12x * 0.25) = 0
-5.25 + -2.25x + (5 + 3x) = 0

Reorder the terms:
-5.25 + 5 + -2.25x + 3x = 0

Combine like terms: -5.25 + 5 = -0.25
-0.25 + -2.25x + 3x = 0

Combine like terms: -2.25x + 3x = 0.75x
-0.25 + 0.75x = 0

Solving
-0.25 + 0.75x = 0

Solving for variable 'x'.

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

Add '0.25' to each side of the equation.
-0.25 + 0.25 + 0.75x = 0 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + 0.75x = 0 + 0.25
0.75x = 0 + 0.25

Combine like terms: 0 + 0.25 = 0.25
0.75x = 0.25

Divide each side by '0.75'.
x = 0.3333333333

Simplifying
x = 0.3333333333

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