0.8(x+100)=0.87x-438

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Solution for 0.8(x+100)=0.87x-438 equation: 


Simplifying
0.8(x + 100) = 0.87x + -438

Reorder the terms:
0.8(100 + x) = 0.87x + -438
(100 * 0.8 + x * 0.8) = 0.87x + -438
(80 + 0.8x) = 0.87x + -438

Reorder the terms:
80 + 0.8x = -438 + 0.87x

Solving
80 + 0.8x = -438 + 0.87x

Solving for variable 'x'.

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

Add '-0.87x' to each side of the equation.
80 + 0.8x + -0.87x = -438 + 0.87x + -0.87x

Combine like terms: 0.8x + -0.87x = -0.07x
80 + -0.07x = -438 + 0.87x + -0.87x

Combine like terms: 0.87x + -0.87x = 0.00
80 + -0.07x = -438 + 0.00
80 + -0.07x = -438

Add '-80' to each side of the equation.
80 + -80 + -0.07x = -438 + -80

Combine like terms: 80 + -80 = 0
0 + -0.07x = -438 + -80
-0.07x = -438 + -80

Combine like terms: -438 + -80 = -518
-0.07x = -518

Divide each side by '-0.07'.
x = 7400

Simplifying
x = 7400

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