4(19-4x)-5(x-1)=100+4x

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Solution for 4(19-4x)-5(x-1)=100+4x equation:


Simplifying
4(19 + -4x) + -5(x + -1) = 100 + 4x
(19 * 4 + -4x * 4) + -5(x + -1) = 100 + 4x
(76 + -16x) + -5(x + -1) = 100 + 4x

Reorder the terms:
76 + -16x + -5(-1 + x) = 100 + 4x
76 + -16x + (-1 * -5 + x * -5) = 100 + 4x
76 + -16x + (5 + -5x) = 100 + 4x

Reorder the terms:
76 + 5 + -16x + -5x = 100 + 4x

Combine like terms: 76 + 5 = 81
81 + -16x + -5x = 100 + 4x

Combine like terms: -16x + -5x = -21x
81 + -21x = 100 + 4x

Solving
81 + -21x = 100 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
81 + -21x + -4x = 100 + 4x + -4x

Combine like terms: -21x + -4x = -25x
81 + -25x = 100 + 4x + -4x

Combine like terms: 4x + -4x = 0
81 + -25x = 100 + 0
81 + -25x = 100

Add '-81' to each side of the equation.
81 + -81 + -25x = 100 + -81

Combine like terms: 81 + -81 = 0
0 + -25x = 100 + -81
-25x = 100 + -81

Combine like terms: 100 + -81 = 19
-25x = 19

Divide each side by '-25'.
x = -0.76

Simplifying
x = -0.76

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