(3a+4)+18+(x^2-15)=(a+10)+2x+18

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Solution for (3a+4)+18+(x^2-15)=(a+10)+2x+18 equation:


Simplifying
(3a + 4) + 18 + (x2 + -15) = (a + 10) + 2x + 18

Reorder the terms:
(4 + 3a) + 18 + (x2 + -15) = (a + 10) + 2x + 18

Remove parenthesis around (4 + 3a)
4 + 3a + 18 + (x2 + -15) = (a + 10) + 2x + 18

Reorder the terms:
4 + 3a + 18 + (-15 + x2) = (a + 10) + 2x + 18

Remove parenthesis around (-15 + x2)
4 + 3a + 18 + -15 + x2 = (a + 10) + 2x + 18

Reorder the terms:
4 + 18 + -15 + 3a + x2 = (a + 10) + 2x + 18

Combine like terms: 4 + 18 = 22
22 + -15 + 3a + x2 = (a + 10) + 2x + 18

Combine like terms: 22 + -15 = 7
7 + 3a + x2 = (a + 10) + 2x + 18

Reorder the terms:
7 + 3a + x2 = (10 + a) + 2x + 18

Remove parenthesis around (10 + a)
7 + 3a + x2 = 10 + a + 2x + 18

Reorder the terms:
7 + 3a + x2 = 10 + 18 + a + 2x

Combine like terms: 10 + 18 = 28
7 + 3a + x2 = 28 + a + 2x

Solving
7 + 3a + x2 = 28 + a + 2x

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
7 + 3a + -1a + x2 = 28 + a + -1a + 2x

Combine like terms: 3a + -1a = 2a
7 + 2a + x2 = 28 + a + -1a + 2x

Combine like terms: a + -1a = 0
7 + 2a + x2 = 28 + 0 + 2x
7 + 2a + x2 = 28 + 2x

Add '-7' to each side of the equation.
7 + 2a + -7 + x2 = 28 + -7 + 2x

Reorder the terms:
7 + -7 + 2a + x2 = 28 + -7 + 2x

Combine like terms: 7 + -7 = 0
0 + 2a + x2 = 28 + -7 + 2x
2a + x2 = 28 + -7 + 2x

Combine like terms: 28 + -7 = 21
2a + x2 = 21 + 2x

Add '-1x2' to each side of the equation.
2a + x2 + -1x2 = 21 + 2x + -1x2

Combine like terms: x2 + -1x2 = 0
2a + 0 = 21 + 2x + -1x2
2a = 21 + 2x + -1x2

Divide each side by '2'.
a = 10.5 + x + -0.5x2

Simplifying
a = 10.5 + x + -0.5x2

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