5x+21=13+7

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Solution for 5x+21=13+7 equation:


Simplifying
5x + 21 = 13 + 7

Reorder the terms:
21 + 5x = 13 + 7

Combine like terms: 13 + 7 = 20
21 + 5x = 20

Solving
21 + 5x = 20

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 5x = 20 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = 20 + -21
5x = 20 + -21

Combine like terms: 20 + -21 = -1
5x = -1

Divide each side by '5'.
x = -0.2

Simplifying
x = -0.2

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