3x+1+x=-7

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Solution for 3x+1+x=-7 equation: 


Simplifying
3x + 1 + x = -7

Reorder the terms:
1 + 3x + x = -7

Combine like terms: 3x + x = 4x
1 + 4x = -7

Solving
1 + 4x = -7

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 4x = -7 + -1

Combine like terms: 1 + -1 = 0
0 + 4x = -7 + -1
4x = -7 + -1

Combine like terms: -7 + -1 = -8
4x = -8

Divide each side by '4'.
x = -2

Simplifying
x = -2

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