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

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


Simplifying
4(a + -5) + 6(2 + -1a) = 12

Reorder the terms:
4(-5 + a) + 6(2 + -1a) = 12
(-5 * 4 + a * 4) + 6(2 + -1a) = 12
(-20 + 4a) + 6(2 + -1a) = 12
-20 + 4a + (2 * 6 + -1a * 6) = 12
-20 + 4a + (12 + -6a) = 12

Reorder the terms:
-20 + 12 + 4a + -6a = 12

Combine like terms: -20 + 12 = -8
-8 + 4a + -6a = 12

Combine like terms: 4a + -6a = -2a
-8 + -2a = 12

Solving
-8 + -2a = 12

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + -2a = 12 + 8

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

Combine like terms: 12 + 8 = 20
-2a = 20

Divide each side by '-2'.
a = -10

Simplifying
a = -10

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