-2(a-7)=-28

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Solution for -2(a-7)=-28 equation:


Simplifying
-2(a + -7) = -28

Reorder the terms:
-2(-7 + a) = -28
(-7 * -2 + a * -2) = -28
(14 + -2a) = -28

Solving
14 + -2a = -28

Solving for variable 'a'.

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

Add '-14' to each side of the equation.
14 + -14 + -2a = -28 + -14

Combine like terms: 14 + -14 = 0
0 + -2a = -28 + -14
-2a = -28 + -14

Combine like terms: -28 + -14 = -42
-2a = -42

Divide each side by '-2'.
a = 21

Simplifying
a = 21

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