-7(-2a-7)=17-2a

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Solution for -7(-2a-7)=17-2a equation:


Simplifying
-7(-2a + -7) = 17 + -2a

Reorder the terms:
-7(-7 + -2a) = 17 + -2a
(-7 * -7 + -2a * -7) = 17 + -2a
(49 + 14a) = 17 + -2a

Solving
49 + 14a = 17 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
49 + 14a + 2a = 17 + -2a + 2a

Combine like terms: 14a + 2a = 16a
49 + 16a = 17 + -2a + 2a

Combine like terms: -2a + 2a = 0
49 + 16a = 17 + 0
49 + 16a = 17

Add '-49' to each side of the equation.
49 + -49 + 16a = 17 + -49

Combine like terms: 49 + -49 = 0
0 + 16a = 17 + -49
16a = 17 + -49

Combine like terms: 17 + -49 = -32
16a = -32

Divide each side by '16'.
a = -2

Simplifying
a = -2

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