X+2x+7x+9x+1=42

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Solution for X+2x+7x+9x+1=42 equation:


Simplifying
X + 2x + 7x + 9x + 1 = 42

Reorder the terms:
1 + X + 2x + 7x + 9x = 42

Combine like terms: 2x + 7x = 9x
1 + X + 9x + 9x = 42

Combine like terms: 9x + 9x = 18x
1 + X + 18x = 42

Solving
1 + X + 18x = 42

Solving for variable 'X'.

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

Add '-1' to each side of the equation.
1 + X + -1 + 18x = 42 + -1

Reorder the terms:
1 + -1 + X + 18x = 42 + -1

Combine like terms: 1 + -1 = 0
0 + X + 18x = 42 + -1
X + 18x = 42 + -1

Combine like terms: 42 + -1 = 41
X + 18x = 41

Add '-18x' to each side of the equation.
X + 18x + -18x = 41 + -18x

Combine like terms: 18x + -18x = 0
X + 0 = 41 + -18x
X = 41 + -18x

Simplifying
X = 41 + -18x

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