87x-4x=7x+21

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Solution for 87x-4x=7x+21 equation:


Simplifying
87x + -4x = 7x + 21

Combine like terms: 87x + -4x = 83x
83x = 7x + 21

Reorder the terms:
83x = 21 + 7x

Solving
83x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
83x + -7x = 21 + 7x + -7x

Combine like terms: 83x + -7x = 76x
76x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
76x = 21 + 0
76x = 21

Divide each side by '76'.
x = 0.2763157895

Simplifying
x = 0.2763157895

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