-1=3x+x+3

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Solution for -1=3x+x+3 equation:


Simplifying
-1 = 3x + x + 3

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

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

Solving
-1 = 3 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-1 + -4x = 3 + 4x + -4x

Combine like terms: 4x + -4x = 0
-1 + -4x = 3 + 0
-1 + -4x = 3

Add '1' to each side of the equation.
-1 + 1 + -4x = 3 + 1

Combine like terms: -1 + 1 = 0
0 + -4x = 3 + 1
-4x = 3 + 1

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

Divide each side by '-4'.
x = -1

Simplifying
x = -1

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