x+x+10+(x+10*2)=210

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Solution for x+x+10+(x+10*2)=210 equation:


Simplifying
x + x + 10 + (x + 10 * 2) = 210

Multiply 10 * 2
x + x + 10 + (x + 20) = 210

Reorder the terms:
x + x + 10 + (20 + x) = 210

Remove parenthesis around (20 + x)
x + x + 10 + 20 + x = 210

Reorder the terms:
10 + 20 + x + x + x = 210

Combine like terms: 10 + 20 = 30
30 + x + x + x = 210

Combine like terms: x + x = 2x
30 + 2x + x = 210

Combine like terms: 2x + x = 3x
30 + 3x = 210

Solving
30 + 3x = 210

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 3x = 210 + -30

Combine like terms: 30 + -30 = 0
0 + 3x = 210 + -30
3x = 210 + -30

Combine like terms: 210 + -30 = 180
3x = 180

Divide each side by '3'.
x = 60

Simplifying
x = 60

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