3x+x+1=12-7x

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Solution for 3x+x+1=12-7x equation:


Simplifying
3x + x + 1 = 12 + -7x

Reorder the terms:
1 + 3x + x = 12 + -7x

Combine like terms: 3x + x = 4x
1 + 4x = 12 + -7x

Solving
1 + 4x = 12 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
1 + 4x + 7x = 12 + -7x + 7x

Combine like terms: 4x + 7x = 11x
1 + 11x = 12 + -7x + 7x

Combine like terms: -7x + 7x = 0
1 + 11x = 12 + 0
1 + 11x = 12

Add '-1' to each side of the equation.
1 + -1 + 11x = 12 + -1

Combine like terms: 1 + -1 = 0
0 + 11x = 12 + -1
11x = 12 + -1

Combine like terms: 12 + -1 = 11
11x = 11

Divide each side by '11'.
x = 1

Simplifying
x = 1

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