x+1+3x=-9

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Solution for x+1+3x=-9 equation:


Simplifying
x + 1 + 3x = -9

Reorder the terms:
1 + x + 3x = -9

Combine like terms: x + 3x = 4x
1 + 4x = -9

Solving
1 + 4x = -9

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 = -9 + -1

Combine like terms: 1 + -1 = 0
0 + 4x = -9 + -1
4x = -9 + -1

Combine like terms: -9 + -1 = -10
4x = -10

Divide each side by '4'.
x = -2.5

Simplifying
x = -2.5

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