400=10x+20

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Solution for 400=10x+20 equation:


Simplifying
400 = 10x + 20

Reorder the terms:
400 = 20 + 10x

Solving
400 = 20 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
400 + -10x = 20 + 10x + -10x

Combine like terms: 10x + -10x = 0
400 + -10x = 20 + 0
400 + -10x = 20

Add '-400' to each side of the equation.
400 + -400 + -10x = 20 + -400

Combine like terms: 400 + -400 = 0
0 + -10x = 20 + -400
-10x = 20 + -400

Combine like terms: 20 + -400 = -380
-10x = -380

Divide each side by '-10'.
x = 38

Simplifying
x = 38

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