4x+21=2x+61

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Solution for 4x+21=2x+61 equation:


Simplifying
4x + 21 = 2x + 61

Reorder the terms:
21 + 4x = 2x + 61

Reorder the terms:
21 + 4x = 61 + 2x

Solving
21 + 4x = 61 + 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.
21 + 4x + -2x = 61 + 2x + -2x

Combine like terms: 4x + -2x = 2x
21 + 2x = 61 + 2x + -2x

Combine like terms: 2x + -2x = 0
21 + 2x = 61 + 0
21 + 2x = 61

Add '-21' to each side of the equation.
21 + -21 + 2x = 61 + -21

Combine like terms: 21 + -21 = 0
0 + 2x = 61 + -21
2x = 61 + -21

Combine like terms: 61 + -21 = 40
2x = 40

Divide each side by '2'.
x = 20

Simplifying
x = 20

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