-4(3-x)=0.8(x+5)

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Solution for -4(3-x)=0.8(x+5) equation:


Simplifying
-4(3 + -1x) = 0.8(x + 5)
(3 * -4 + -1x * -4) = 0.8(x + 5)
(-12 + 4x) = 0.8(x + 5)

Reorder the terms:
-12 + 4x = 0.8(5 + x)
-12 + 4x = (5 * 0.8 + x * 0.8)
-12 + 4x = (4 + 0.8x)

Solving
-12 + 4x = 4 + 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
-12 + 4x + -0.8x = 4 + 0.8x + -0.8x

Combine like terms: 4x + -0.8x = 3.2x
-12 + 3.2x = 4 + 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
-12 + 3.2x = 4 + 0.0
-12 + 3.2x = 4

Add '12' to each side of the equation.
-12 + 12 + 3.2x = 4 + 12

Combine like terms: -12 + 12 = 0
0 + 3.2x = 4 + 12
3.2x = 4 + 12

Combine like terms: 4 + 12 = 16
3.2x = 16

Divide each side by '3.2'.
x = 5

Simplifying
x = 5

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