9.1(1-x)+5x=-4.2(x-8)

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Solution for 9.1(1-x)+5x=-4.2(x-8) equation:


Simplifying
9.1(1 + -1x) + 5x = -4.2(x + -8)
(1 * 9.1 + -1x * 9.1) + 5x = -4.2(x + -8)
(9.1 + -9.1x) + 5x = -4.2(x + -8)

Combine like terms: -9.1x + 5x = -4.1x
9.1 + -4.1x = -4.2(x + -8)

Reorder the terms:
9.1 + -4.1x = -4.2(-8 + x)
9.1 + -4.1x = (-8 * -4.2 + x * -4.2)
9.1 + -4.1x = (33.6 + -4.2x)

Solving
9.1 + -4.1x = 33.6 + -4.2x

Solving for variable 'x'.

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

Add '4.2x' to each side of the equation.
9.1 + -4.1x + 4.2x = 33.6 + -4.2x + 4.2x

Combine like terms: -4.1x + 4.2x = 0.1x
9.1 + 0.1x = 33.6 + -4.2x + 4.2x

Combine like terms: -4.2x + 4.2x = 0.0
9.1 + 0.1x = 33.6 + 0.0
9.1 + 0.1x = 33.6

Add '-9.1' to each side of the equation.
9.1 + -9.1 + 0.1x = 33.6 + -9.1

Combine like terms: 9.1 + -9.1 = 0.0
0.0 + 0.1x = 33.6 + -9.1
0.1x = 33.6 + -9.1

Combine like terms: 33.6 + -9.1 = 24.5
0.1x = 24.5

Divide each side by '0.1'.
x = 245

Simplifying
x = 245

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