4x-5(5x+4)=85

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Solution for 4x-5(5x+4)=85 equation:


Simplifying
4x + -5(5x + 4) = 85

Reorder the terms:
4x + -5(4 + 5x) = 85
4x + (4 * -5 + 5x * -5) = 85
4x + (-20 + -25x) = 85

Reorder the terms:
-20 + 4x + -25x = 85

Combine like terms: 4x + -25x = -21x
-20 + -21x = 85

Solving
-20 + -21x = 85

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -21x = 85 + 20

Combine like terms: -20 + 20 = 0
0 + -21x = 85 + 20
-21x = 85 + 20

Combine like terms: 85 + 20 = 105
-21x = 105

Divide each side by '-21'.
x = -5

Simplifying
x = -5

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