6-3(a+a)=7+a

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Solution for 6-3(a+a)=7+a equation:


Simplifying
6 + -3(a + a) = 7 + a

Combine like terms: a + a = 2a
6 + -3(2a) = 7 + a

Remove parenthesis around (2a)
6 + -3 * 2a = 7 + a

Multiply -3 * 2
6 + -6a = 7 + a

Solving
6 + -6a = 7 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
6 + -6a + -1a = 7 + a + -1a

Combine like terms: -6a + -1a = -7a
6 + -7a = 7 + a + -1a

Combine like terms: a + -1a = 0
6 + -7a = 7 + 0
6 + -7a = 7

Add '-6' to each side of the equation.
6 + -6 + -7a = 7 + -6

Combine like terms: 6 + -6 = 0
0 + -7a = 7 + -6
-7a = 7 + -6

Combine like terms: 7 + -6 = 1
-7a = 1

Divide each side by '-7'.
a = -0.1428571429

Simplifying
a = -0.1428571429

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