a+2(a-7)=3a+9

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Solution for a+2(a-7)=3a+9 equation:


Simplifying
a + 2(a + -7) = 3a + 9

Reorder the terms:
a + 2(-7 + a) = 3a + 9
a + (-7 * 2 + a * 2) = 3a + 9
a + (-14 + 2a) = 3a + 9

Reorder the terms:
-14 + a + 2a = 3a + 9

Combine like terms: a + 2a = 3a
-14 + 3a = 3a + 9

Reorder the terms:
-14 + 3a = 9 + 3a

Add '-3a' to each side of the equation.
-14 + 3a + -3a = 9 + 3a + -3a

Combine like terms: 3a + -3a = 0
-14 + 0 = 9 + 3a + -3a
-14 = 9 + 3a + -3a

Combine like terms: 3a + -3a = 0
-14 = 9 + 0
-14 = 9

Solving
-14 = 9

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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