X+20+x+10=12

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Solution for X+20+x+10=12 equation:


Simplifying
X + 20 + x + 10 = 12

Reorder the terms:
20 + 10 + X + x = 12

Combine like terms: 20 + 10 = 30
30 + X + x = 12

Solving
30 + X + x = 12

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 + X + -30 + x = 12 + -30

Reorder the terms:
30 + -30 + X + x = 12 + -30

Combine like terms: 30 + -30 = 0
0 + X + x = 12 + -30
X + x = 12 + -30

Combine like terms: 12 + -30 = -18
X + x = -18

Add '-1x' to each side of the equation.
X + x + -1x = -18 + -1x

Combine like terms: x + -1x = 0
X + 0 = -18 + -1x
X = -18 + -1x

Simplifying
X = -18 + -1x

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