4x-19=2x+21

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Solution for 4x-19=2x+21 equation:


Simplifying
4x + -19 = 2x + 21

Reorder the terms:
-19 + 4x = 2x + 21

Reorder the terms:
-19 + 4x = 21 + 2x

Solving
-19 + 4x = 21 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-19 + 4x + -2x = 21 + 2x + -2x

Combine like terms: 4x + -2x = 2x
-19 + 2x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
-19 + 2x = 21 + 0
-19 + 2x = 21

Add '19' to each side of the equation.
-19 + 19 + 2x = 21 + 19

Combine like terms: -19 + 19 = 0
0 + 2x = 21 + 19
2x = 21 + 19

Combine like terms: 21 + 19 = 40
2x = 40

Divide each side by '2'.
x = 20

Simplifying
x = 20

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