21+4X=-13+5X

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Solution for 21+4X=-13+5X equation: 


Simplifying
21 + 4X = -13 + 5X

Solving
21 + 4X = -13 + 5X

Solving for variable 'X'.

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

Add '-5X' to each side of the equation.
21 + 4X + -5X = -13 + 5X + -5X

Combine like terms: 4X + -5X = -1X
21 + -1X = -13 + 5X + -5X

Combine like terms: 5X + -5X = 0
21 + -1X = -13 + 0
21 + -1X = -13

Add '-21' to each side of the equation.
21 + -21 + -1X = -13 + -21

Combine like terms: 21 + -21 = 0
0 + -1X = -13 + -21
-1X = -13 + -21

Combine like terms: -13 + -21 = -34
-1X = -34

Divide each side by '-1'.
X = 34

Simplifying
X = 34

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