3x+9=1+x+4

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Solution for 3x+9=1+x+4 equation:


Simplifying
3x + 9 = 1 + x + 4

Reorder the terms:
9 + 3x = 1 + x + 4

Reorder the terms:
9 + 3x = 1 + 4 + x

Combine like terms: 1 + 4 = 5
9 + 3x = 5 + x

Solving
9 + 3x = 5 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
9 + 3x + -1x = 5 + x + -1x

Combine like terms: 3x + -1x = 2x
9 + 2x = 5 + x + -1x

Combine like terms: x + -1x = 0
9 + 2x = 5 + 0
9 + 2x = 5

Add '-9' to each side of the equation.
9 + -9 + 2x = 5 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 5 + -9
2x = 5 + -9

Combine like terms: 5 + -9 = -4
2x = -4

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

Simplifying
x = -2

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