2(c+a)=c-7

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Solution for 2(c+a)=c-7 equation: 


Simplifying
2(c + a) = c + -7

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

Reorder the terms:
2a + 2c = -7 + c

Solving
2a + 2c = -7 + c

Solving for variable 'a'.

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

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

Combine like terms: 2c + -2c = 0
2a + 0 = -7 + c + -2c
2a = -7 + c + -2c

Combine like terms: c + -2c = -1c
2a = -7 + -1c

Divide each side by '2'.
a = -3.5 + -0.5c

Simplifying
a = -3.5 + -0.5c

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