2(a-5)-4(2a+3)=12

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Solution for 2(a-5)-4(2a+3)=12 equation:


Simplifying
2(a + -5) + -4(2a + 3) = 12

Reorder the terms:
2(-5 + a) + -4(2a + 3) = 12
(-5 * 2 + a * 2) + -4(2a + 3) = 12
(-10 + 2a) + -4(2a + 3) = 12

Reorder the terms:
-10 + 2a + -4(3 + 2a) = 12
-10 + 2a + (3 * -4 + 2a * -4) = 12
-10 + 2a + (-12 + -8a) = 12

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

Combine like terms: -10 + -12 = -22
-22 + 2a + -8a = 12

Combine like terms: 2a + -8a = -6a
-22 + -6a = 12

Solving
-22 + -6a = 12

Solving for variable 'a'.

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

Add '22' to each side of the equation.
-22 + 22 + -6a = 12 + 22

Combine like terms: -22 + 22 = 0
0 + -6a = 12 + 22
-6a = 12 + 22

Combine like terms: 12 + 22 = 34
-6a = 34

Divide each side by '-6'.
a = -5.666666667

Simplifying
a = -5.666666667

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