4x+5=3x+21

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Solution for 4x+5=3x+21 equation:


Simplifying
4x + 5 = 3x + 21

Reorder the terms:
5 + 4x = 3x + 21

Reorder the terms:
5 + 4x = 21 + 3x

Solving
5 + 4x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
5 + 4x + -3x = 21 + 3x + -3x

Combine like terms: 4x + -3x = 1x
5 + 1x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
5 + 1x = 21 + 0
5 + 1x = 21

Add '-5' to each side of the equation.
5 + -5 + 1x = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 1x = 21 + -5
1x = 21 + -5

Combine like terms: 21 + -5 = 16
1x = 16

Divide each side by '1'.
x = 16

Simplifying
x = 16

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