100+2(2X+10)=30+X

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Solution for 100+2(2X+10)=30+X equation: 


Simplifying
100 + 2(2X + 10) = 30 + X

Reorder the terms:
100 + 2(10 + 2X) = 30 + X
100 + (10 * 2 + 2X * 2) = 30 + X
100 + (20 + 4X) = 30 + X

Combine like terms: 100 + 20 = 120
120 + 4X = 30 + X

Solving
120 + 4X = 30 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
120 + 4X + -1X = 30 + X + -1X

Combine like terms: 4X + -1X = 3X
120 + 3X = 30 + X + -1X

Combine like terms: X + -1X = 0
120 + 3X = 30 + 0
120 + 3X = 30

Add '-120' to each side of the equation.
120 + -120 + 3X = 30 + -120

Combine like terms: 120 + -120 = 0
0 + 3X = 30 + -120
3X = 30 + -120

Combine like terms: 30 + -120 = -90
3X = -90

Divide each side by '3'.
X = -30

Simplifying
X = -30

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