1.28x-4(3x-8)=1.66(x+7)-5

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Solution for 1.28x-4(3x-8)=1.66(x+7)-5 equation:


Simplifying
1.28x + -4(3x + -8) = 1.66(x + 7) + -5

Reorder the terms:
1.28x + -4(-8 + 3x) = 1.66(x + 7) + -5
1.28x + (-8 * -4 + 3x * -4) = 1.66(x + 7) + -5
1.28x + (32 + -12x) = 1.66(x + 7) + -5

Reorder the terms:
32 + 1.28x + -12x = 1.66(x + 7) + -5

Combine like terms: 1.28x + -12x = -10.72x
32 + -10.72x = 1.66(x + 7) + -5

Reorder the terms:
32 + -10.72x = 1.66(7 + x) + -5
32 + -10.72x = (7 * 1.66 + x * 1.66) + -5
32 + -10.72x = (11.62 + 1.66x) + -5

Reorder the terms:
32 + -10.72x = 11.62 + -5 + 1.66x

Combine like terms: 11.62 + -5 = 6.62
32 + -10.72x = 6.62 + 1.66x

Solving
32 + -10.72x = 6.62 + 1.66x

Solving for variable 'x'.

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

Add '-1.66x' to each side of the equation.
32 + -10.72x + -1.66x = 6.62 + 1.66x + -1.66x

Combine like terms: -10.72x + -1.66x = -12.38x
32 + -12.38x = 6.62 + 1.66x + -1.66x

Combine like terms: 1.66x + -1.66x = 0.00
32 + -12.38x = 6.62 + 0.00
32 + -12.38x = 6.62

Add '-32' to each side of the equation.
32 + -32 + -12.38x = 6.62 + -32

Combine like terms: 32 + -32 = 0
0 + -12.38x = 6.62 + -32
-12.38x = 6.62 + -32

Combine like terms: 6.62 + -32 = -25.38
-12.38x = -25.38

Divide each side by '-12.38'.
x = 2.050080775

Simplifying
x = 2.050080775

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