1-(x-7)=3

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Solution for 1-(x-7)=3 equation:


Simplifying
1 + -1(x + -7) = 3

Reorder the terms:
1 + -1(-7 + x) = 3
1 + (-7 * -1 + x * -1) = 3
1 + (7 + -1x) = 3

Combine like terms: 1 + 7 = 8
8 + -1x = 3

Solving
8 + -1x = 3

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -1x = 3 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 3 + -8
-1x = 3 + -8

Combine like terms: 3 + -8 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5

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