2(a+2)-(7+b)=-6

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Solution for 2(a+2)-(7+b)=-6 equation:


Simplifying
2(a + 2) + -1(7 + b) = -6

Reorder the terms:
2(2 + a) + -1(7 + b) = -6
(2 * 2 + a * 2) + -1(7 + b) = -6
(4 + 2a) + -1(7 + b) = -6
4 + 2a + (7 * -1 + b * -1) = -6
4 + 2a + (-7 + -1b) = -6

Reorder the terms:
4 + -7 + 2a + -1b = -6

Combine like terms: 4 + -7 = -3
-3 + 2a + -1b = -6

Solving
-3 + 2a + -1b = -6

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 2a + 3 + -1b = -6 + 3

Reorder the terms:
-3 + 3 + 2a + -1b = -6 + 3

Combine like terms: -3 + 3 = 0
0 + 2a + -1b = -6 + 3
2a + -1b = -6 + 3

Combine like terms: -6 + 3 = -3
2a + -1b = -3

Add 'b' to each side of the equation.
2a + -1b + b = -3 + b

Combine like terms: -1b + b = 0
2a + 0 = -3 + b
2a = -3 + b

Divide each side by '2'.
a = -1.5 + 0.5b

Simplifying
a = -1.5 + 0.5b

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