4x-2+3=21

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Solution for 4x-2+3=21 equation: 


Simplifying
4x + -2 + 3 = 21

Reorder the terms:
-2 + 3 + 4x = 21

Combine like terms: -2 + 3 = 1
1 + 4x = 21

Solving
1 + 4x = 21

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 4x = 21 + -1

Combine like terms: 1 + -1 = 0
0 + 4x = 21 + -1
4x = 21 + -1

Combine like terms: 21 + -1 = 20
4x = 20

Divide each side by '4'.
x = 5

Simplifying
x = 5

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