5x+4=21+4

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


Simplifying
5x + 4 = 21 + 4

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

Combine like terms: 21 + 4 = 25
4 + 5x = 25

Solving
4 + 5x = 25

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 5x = 25 + -4

Combine like terms: 4 + -4 = 0
0 + 5x = 25 + -4
5x = 25 + -4

Combine like terms: 25 + -4 = 21
5x = 21

Divide each side by '5'.
x = 4.2

Simplifying
x = 4.2

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