2*(a-5)+2*(a-4)-6a-12=

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Solution for 2*(a-5)+2*(a-4)-6a-12= equation:


Simplifying
2(a + -5) + 2(a + -4) + -6a + -12 = 0

Reorder the terms:
2(-5 + a) + 2(a + -4) + -6a + -12 = 0
(-5 * 2 + a * 2) + 2(a + -4) + -6a + -12 = 0
(-10 + 2a) + 2(a + -4) + -6a + -12 = 0

Reorder the terms:
-10 + 2a + 2(-4 + a) + -6a + -12 = 0
-10 + 2a + (-4 * 2 + a * 2) + -6a + -12 = 0
-10 + 2a + (-8 + 2a) + -6a + -12 = 0

Reorder the terms:
-10 + -8 + -12 + 2a + 2a + -6a = 0

Combine like terms: -10 + -8 = -18
-18 + -12 + 2a + 2a + -6a = 0

Combine like terms: -18 + -12 = -30
-30 + 2a + 2a + -6a = 0

Combine like terms: 2a + 2a = 4a
-30 + 4a + -6a = 0

Combine like terms: 4a + -6a = -2a
-30 + -2a = 0

Solving
-30 + -2a = 0

Solving for variable 'a'.

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

Add '30' to each side of the equation.
-30 + 30 + -2a = 0 + 30

Combine like terms: -30 + 30 = 0
0 + -2a = 0 + 30
-2a = 0 + 30

Combine like terms: 0 + 30 = 30
-2a = 30

Divide each side by '-2'.
a = -15

Simplifying
a = -15

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