0.8(x+5)+1.8(x-4)=

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Solution for 0.8(x+5)+1.8(x-4)= equation:


Simplifying
0.8(x + 5) + 1.8(x + -4) = 0

Reorder the terms:
0.8(5 + x) + 1.8(x + -4) = 0
(5 * 0.8 + x * 0.8) + 1.8(x + -4) = 0
(4 + 0.8x) + 1.8(x + -4) = 0

Reorder the terms:
4 + 0.8x + 1.8(-4 + x) = 0
4 + 0.8x + (-4 * 1.8 + x * 1.8) = 0
4 + 0.8x + (-7.2 + 1.8x) = 0

Reorder the terms:
4 + -7.2 + 0.8x + 1.8x = 0

Combine like terms: 4 + -7.2 = -3.2
-3.2 + 0.8x + 1.8x = 0

Combine like terms: 0.8x + 1.8x = 2.6x
-3.2 + 2.6x = 0

Solving
-3.2 + 2.6x = 0

Solving for variable 'x'.

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

Add '3.2' to each side of the equation.
-3.2 + 3.2 + 2.6x = 0 + 3.2

Combine like terms: -3.2 + 3.2 = 0.0
0.0 + 2.6x = 0 + 3.2
2.6x = 0 + 3.2

Combine like terms: 0 + 3.2 = 3.2
2.6x = 3.2

Divide each side by '2.6'.
x = 1.230769231

Simplifying
x = 1.230769231

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