(1+3x)+(y)=7

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Solution for (1+3x)+(y)=7 equation:


Simplifying
(1 + 3x) + (y) = 7

Remove parenthesis around (1 + 3x)
1 + 3x + (y) = 7
1 + 3x + y = 7

Solving
1 + 3x + y = 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 + 3x + -1 + y = 7 + -1

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

Combine like terms: 1 + -1 = 0
0 + 3x + y = 7 + -1
3x + y = 7 + -1

Combine like terms: 7 + -1 = 6
3x + y = 6

Add '-1y' to each side of the equation.
3x + y + -1y = 6 + -1y

Combine like terms: y + -1y = 0
3x + 0 = 6 + -1y
3x = 6 + -1y

Divide each side by '3'.
x = 2 + -0.3333333333y

Simplifying
x = 2 + -0.3333333333y

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