87-4X=23X+21

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Solution for 87-4X=23X+21 equation:


Simplifying
87 + -4X = 23X + 21

Reorder the terms:
87 + -4X = 21 + 23X

Solving
87 + -4X = 21 + 23X

Solving for variable 'X'.

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

Add '-23X' to each side of the equation.
87 + -4X + -23X = 21 + 23X + -23X

Combine like terms: -4X + -23X = -27X
87 + -27X = 21 + 23X + -23X

Combine like terms: 23X + -23X = 0
87 + -27X = 21 + 0
87 + -27X = 21

Add '-87' to each side of the equation.
87 + -87 + -27X = 21 + -87

Combine like terms: 87 + -87 = 0
0 + -27X = 21 + -87
-27X = 21 + -87

Combine like terms: 21 + -87 = -66
-27X = -66

Divide each side by '-27'.
X = 2.444444444

Simplifying
X = 2.444444444

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