1=-x-3

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Solution for 1=-x-3 equation:


Simplifying
1 = -1x + -3

Reorder the terms:
1 = -3 + -1x

Solving
1 = -3 + -1x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -3 + -1 = -4
x = -4

Simplifying
x = -4

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