(x-1)+(x-17)=42

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Solution for (x-1)+(x-17)=42 equation:


Simplifying
(x + -1) + (x + -17) = 42

Reorder the terms:
(-1 + x) + (x + -17) = 42

Remove parenthesis around (-1 + x)
-1 + x + (x + -17) = 42

Reorder the terms:
-1 + x + (-17 + x) = 42

Remove parenthesis around (-17 + x)
-1 + x + -17 + x = 42

Reorder the terms:
-1 + -17 + x + x = 42

Combine like terms: -1 + -17 = -18
-18 + x + x = 42

Combine like terms: x + x = 2x
-18 + 2x = 42

Solving
-18 + 2x = 42

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 2x = 42 + 18

Combine like terms: -18 + 18 = 0
0 + 2x = 42 + 18
2x = 42 + 18

Combine like terms: 42 + 18 = 60
2x = 60

Divide each side by '2'.
x = 30

Simplifying
x = 30

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