10(x+20)=400

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Solution for 10(x+20)=400 equation: 


Simplifying
10(x + 20) = 400

Reorder the terms:
10(20 + x) = 400
(20 * 10 + x * 10) = 400
(200 + 10x) = 400

Solving
200 + 10x = 400

Solving for variable 'x'.

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

Add '-200' to each side of the equation.
200 + -200 + 10x = 400 + -200

Combine like terms: 200 + -200 = 0
0 + 10x = 400 + -200
10x = 400 + -200

Combine like terms: 400 + -200 = 200
10x = 200

Divide each side by '10'.
x = 20

Simplifying
x = 20

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