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

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


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

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

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

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

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

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

Solving
-9 + -2a = N

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 = 9 + N

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

Divide each side by '-2'.
a = -4.5 + -0.5N

Simplifying
a = -4.5 + -0.5N

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