2(a+9)=2(a-7)

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Solution for 2(a+9)=2(a-7) equation:


Simplifying
2(a + 9) = 2(a + -7)

Reorder the terms:
2(9 + a) = 2(a + -7)
(9 * 2 + a * 2) = 2(a + -7)
(18 + 2a) = 2(a + -7)

Reorder the terms:
18 + 2a = 2(-7 + a)
18 + 2a = (-7 * 2 + a * 2)
18 + 2a = (-14 + 2a)

Add '-2a' to each side of the equation.
18 + 2a + -2a = -14 + 2a + -2a

Combine like terms: 2a + -2a = 0
18 + 0 = -14 + 2a + -2a
18 = -14 + 2a + -2a

Combine like terms: 2a + -2a = 0
18 = -14 + 0
18 = -14

Solving
18 = -14

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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