x+(x+10)=400

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


Simplifying
x + (x + 10) = 400

Reorder the terms:
x + (10 + x) = 400

Remove parenthesis around (10 + x)
x + 10 + x = 400

Reorder the terms:
10 + x + x = 400

Combine like terms: x + x = 2x
10 + 2x = 400

Solving
10 + 2x = 400

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 2x = 400 + -10

Combine like terms: 10 + -10 = 0
0 + 2x = 400 + -10
2x = 400 + -10

Combine like terms: 400 + -10 = 390
2x = 390

Divide each side by '2'.
x = 195

Simplifying
x = 195

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