4-4(-2a-9)+10a=18a+40

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Solution for 4-4(-2a-9)+10a=18a+40 equation:


Simplifying
4 + -4(-2a + -9) + 10a = 18a + 40

Reorder the terms:
4 + -4(-9 + -2a) + 10a = 18a + 40
4 + (-9 * -4 + -2a * -4) + 10a = 18a + 40
4 + (36 + 8a) + 10a = 18a + 40

Combine like terms: 4 + 36 = 40
40 + 8a + 10a = 18a + 40

Combine like terms: 8a + 10a = 18a
40 + 18a = 18a + 40

Reorder the terms:
40 + 18a = 40 + 18a

Add '-40' to each side of the equation.
40 + -40 + 18a = 40 + -40 + 18a

Combine like terms: 40 + -40 = 0
0 + 18a = 40 + -40 + 18a
18a = 40 + -40 + 18a

Combine like terms: 40 + -40 = 0
18a = 0 + 18a
18a = 18a

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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