5(2a-6)-3(4a-7)=

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Solution for 5(2a-6)-3(4a-7)= equation:


Simplifying
5(2a + -6) + -3(4a + -7) = 0

Reorder the terms:
5(-6 + 2a) + -3(4a + -7) = 0
(-6 * 5 + 2a * 5) + -3(4a + -7) = 0
(-30 + 10a) + -3(4a + -7) = 0

Reorder the terms:
-30 + 10a + -3(-7 + 4a) = 0
-30 + 10a + (-7 * -3 + 4a * -3) = 0
-30 + 10a + (21 + -12a) = 0

Reorder the terms:
-30 + 21 + 10a + -12a = 0

Combine like terms: -30 + 21 = -9
-9 + 10a + -12a = 0

Combine like terms: 10a + -12a = -2a
-9 + -2a = 0

Solving
-9 + -2a = 0

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + -2a = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -2a = 0 + 9
-2a = 0 + 9

Combine like terms: 0 + 9 = 9
-2a = 9

Divide each side by '-2'.
a = -4.5

Simplifying
a = -4.5

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