(a+2b-3)2+5a+10b-9=

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Solution for (a+2b-3)2+5a+10b-9= equation:


Simplifying
(a + 2b + -3) * 2 + 5a + 10b + -9 = 0

Reorder the terms:
(-3 + a + 2b) * 2 + 5a + 10b + -9 = 0

Reorder the terms for easier multiplication:
2(-3 + a + 2b) + 5a + 10b + -9 = 0
(-3 * 2 + a * 2 + 2b * 2) + 5a + 10b + -9 = 0
(-6 + 2a + 4b) + 5a + 10b + -9 = 0

Reorder the terms:
-6 + -9 + 2a + 5a + 4b + 10b = 0

Combine like terms: -6 + -9 = -15
-15 + 2a + 5a + 4b + 10b = 0

Combine like terms: 2a + 5a = 7a
-15 + 7a + 4b + 10b = 0

Combine like terms: 4b + 10b = 14b
-15 + 7a + 14b = 0

Solving
-15 + 7a + 14b = 0

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 7a + 15 + 14b = 0 + 15

Reorder the terms:
-15 + 15 + 7a + 14b = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 7a + 14b = 0 + 15
7a + 14b = 0 + 15

Combine like terms: 0 + 15 = 15
7a + 14b = 15

Add '-14b' to each side of the equation.
7a + 14b + -14b = 15 + -14b

Combine like terms: 14b + -14b = 0
7a + 0 = 15 + -14b
7a = 15 + -14b

Divide each side by '7'.
a = 2.142857143 + -2b

Simplifying
a = 2.142857143 + -2b

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