7-3(2+x)=y

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Solution for 7-3(2+x)=y equation:


Simplifying
7 + -3(2 + x) = y
7 + (2 * -3 + x * -3) = y
7 + (-6 + -3x) = y

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

Solving
1 + -3x = y

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 + -3x = -1 + y

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

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

Simplifying
x = 0.3333333333 + -0.3333333333y

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