15=4.3x-22.1(x-4)

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Solution for 15=4.3x-22.1(x-4) equation:


Simplifying
15 = 4.3x + -22.1(x + -4)

Reorder the terms:
15 = 4.3x + -22.1(-4 + x)
15 = 4.3x + (-4 * -22.1 + x * -22.1)
15 = 4.3x + (88.4 + -22.1x)

Reorder the terms:
15 = 88.4 + 4.3x + -22.1x

Combine like terms: 4.3x + -22.1x = -17.8x
15 = 88.4 + -17.8x

Solving
15 = 88.4 + -17.8x

Solving for variable 'x'.

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

Add '17.8x' to each side of the equation.
15 + 17.8x = 88.4 + -17.8x + 17.8x

Combine like terms: -17.8x + 17.8x = 0.0
15 + 17.8x = 88.4 + 0.0
15 + 17.8x = 88.4

Add '-15' to each side of the equation.
15 + -15 + 17.8x = 88.4 + -15

Combine like terms: 15 + -15 = 0
0 + 17.8x = 88.4 + -15
17.8x = 88.4 + -15

Combine like terms: 88.4 + -15 = 73.4
17.8x = 73.4

Divide each side by '17.8'.
x = 4.123595506

Simplifying
x = 4.123595506

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