60+x+x+60+x+x=400

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Solution for 60+x+x+60+x+x=400 equation:


Simplifying
60 + x + x + 60 + x + x = 400

Reorder the terms:
60 + 60 + x + x + x + x = 400

Combine like terms: 60 + 60 = 120
120 + x + x + x + x = 400

Combine like terms: x + x = 2x
120 + 2x + x + x = 400

Combine like terms: 2x + x = 3x
120 + 3x + x = 400

Combine like terms: 3x + x = 4x
120 + 4x = 400

Solving
120 + 4x = 400

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + 4x = 400 + -120

Combine like terms: 120 + -120 = 0
0 + 4x = 400 + -120
4x = 400 + -120

Combine like terms: 400 + -120 = 280
4x = 280

Divide each side by '4'.
x = 70

Simplifying
x = 70

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