4a-2(a+9)=4a-2a+18

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Solution for 4a-2(a+9)=4a-2a+18 equation:


Simplifying
4a + -2(a + 9) = 4a + -2a + 18

Reorder the terms:
4a + -2(9 + a) = 4a + -2a + 18
4a + (9 * -2 + a * -2) = 4a + -2a + 18
4a + (-18 + -2a) = 4a + -2a + 18

Reorder the terms:
-18 + 4a + -2a = 4a + -2a + 18

Combine like terms: 4a + -2a = 2a
-18 + 2a = 4a + -2a + 18

Reorder the terms:
-18 + 2a = 18 + 4a + -2a

Combine like terms: 4a + -2a = 2a
-18 + 2a = 18 + 2a

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

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

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

Solving
-18 = 18

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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