3(2a-6)+4(2-5a)=18

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Solution for 3(2a-6)+4(2-5a)=18 equation:


Simplifying
3(2a + -6) + 4(2 + -5a) = 18

Reorder the terms:
3(-6 + 2a) + 4(2 + -5a) = 18
(-6 * 3 + 2a * 3) + 4(2 + -5a) = 18
(-18 + 6a) + 4(2 + -5a) = 18
-18 + 6a + (2 * 4 + -5a * 4) = 18
-18 + 6a + (8 + -20a) = 18

Reorder the terms:
-18 + 8 + 6a + -20a = 18

Combine like terms: -18 + 8 = -10
-10 + 6a + -20a = 18

Combine like terms: 6a + -20a = -14a
-10 + -14a = 18

Solving
-10 + -14a = 18

Solving for variable 'a'.

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

Add '10' to each side of the equation.
-10 + 10 + -14a = 18 + 10

Combine like terms: -10 + 10 = 0
0 + -14a = 18 + 10
-14a = 18 + 10

Combine like terms: 18 + 10 = 28
-14a = 28

Divide each side by '-14'.
a = -2

Simplifying
a = -2

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