42=(x-2)-7

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Solution for 42=(x-2)-7 equation:


Simplifying
42 = (x + -2) + -7

Reorder the terms:
42 = (-2 + x) + -7

Remove parenthesis around (-2 + x)
42 = -2 + x + -7

Reorder the terms:
42 = -2 + -7 + x

Combine like terms: -2 + -7 = -9
42 = -9 + x

Solving
42 = -9 + 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.
42 + -1x = -9 + x + -1x

Combine like terms: x + -1x = 0
42 + -1x = -9 + 0
42 + -1x = -9

Add '-42' to each side of the equation.
42 + -42 + -1x = -9 + -42

Combine like terms: 42 + -42 = 0
0 + -1x = -9 + -42
-1x = -9 + -42

Combine like terms: -9 + -42 = -51
-1x = -51

Divide each side by '-1'.
x = 51

Simplifying
x = 51

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