2+21=4x+5

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Solution for 2+21=4x+5 equation:


Simplifying
2 + 21 = 4x + 5

Combine like terms: 2 + 21 = 23
23 = 4x + 5

Reorder the terms:
23 = 5 + 4x

Solving
23 = 5 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
23 + -4x = 5 + 4x + -4x

Combine like terms: 4x + -4x = 0
23 + -4x = 5 + 0
23 + -4x = 5

Add '-23' to each side of the equation.
23 + -23 + -4x = 5 + -23

Combine like terms: 23 + -23 = 0
0 + -4x = 5 + -23
-4x = 5 + -23

Combine like terms: 5 + -23 = -18
-4x = -18

Divide each side by '-4'.
x = 4.5

Simplifying
x = 4.5

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