3x+x+3(x+1)=8

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Solution for 3x+x+3(x+1)=8 equation:


Simplifying
3x + x + 3(x + 1) = 8

Reorder the terms:
3x + x + 3(1 + x) = 8
3x + x + (1 * 3 + x * 3) = 8
3x + x + (3 + 3x) = 8

Reorder the terms:
3 + 3x + x + 3x = 8

Combine like terms: 3x + x = 4x
3 + 4x + 3x = 8

Combine like terms: 4x + 3x = 7x
3 + 7x = 8

Solving
3 + 7x = 8

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 7x = 8 + -3

Combine like terms: 3 + -3 = 0
0 + 7x = 8 + -3
7x = 8 + -3

Combine like terms: 8 + -3 = 5
7x = 5

Divide each side by '7'.
x = 0.7142857143

Simplifying
x = 0.7142857143

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