7-(2x-a)=x

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Solution for 7-(2x-a)=x equation:


Simplifying
7 + -1(2x + -1a) = x

Reorder the terms:
7 + -1(-1a + 2x) = x
7 + (-1a * -1 + 2x * -1) = x
7 + (1a + -2x) = x

Solving
7 + 1a + -2x = x

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + 1a + -7 + -2x = -7 + x

Reorder the terms:
7 + -7 + 1a + -2x = -7 + x

Combine like terms: 7 + -7 = 0
0 + 1a + -2x = -7 + x
1a + -2x = -7 + x

Add '2x' to each side of the equation.
1a + -2x + 2x = -7 + x + 2x

Combine like terms: -2x + 2x = 0
1a + 0 = -7 + x + 2x
1a = -7 + x + 2x

Combine like terms: x + 2x = 3x
1a = -7 + 3x

Divide each side by '1'.
a = -7 + 3x

Simplifying
a = -7 + 3x

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