.7x-.4(19-5x)=-.1(x-8)

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Solution for .7x-.4(19-5x)=-.1(x-8) equation:


Simplifying
0.7x + -0.4(19 + -5x) = -0.1(x + -8)
0.7x + (19 * -0.4 + -5x * -0.4) = -0.1(x + -8)
0.7x + (-7.6 + 2x) = -0.1(x + -8)

Reorder the terms:
-7.6 + 0.7x + 2x = -0.1(x + -8)

Combine like terms: 0.7x + 2x = 2.7x
-7.6 + 2.7x = -0.1(x + -8)

Reorder the terms:
-7.6 + 2.7x = -0.1(-8 + x)
-7.6 + 2.7x = (-8 * -0.1 + x * -0.1)
-7.6 + 2.7x = (0.8 + -0.1x)

Solving
-7.6 + 2.7x = 0.8 + -0.1x

Solving for variable 'x'.

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

Add '0.1x' to each side of the equation.
-7.6 + 2.7x + 0.1x = 0.8 + -0.1x + 0.1x

Combine like terms: 2.7x + 0.1x = 2.8x
-7.6 + 2.8x = 0.8 + -0.1x + 0.1x

Combine like terms: -0.1x + 0.1x = 0.0
-7.6 + 2.8x = 0.8 + 0.0
-7.6 + 2.8x = 0.8

Add '7.6' to each side of the equation.
-7.6 + 7.6 + 2.8x = 0.8 + 7.6

Combine like terms: -7.6 + 7.6 = 0.0
0.0 + 2.8x = 0.8 + 7.6
2.8x = 0.8 + 7.6

Combine like terms: 0.8 + 7.6 = 8.4
2.8x = 8.4

Divide each side by '2.8'.
x = 3

Simplifying
x = 3

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