-63=-3(a-5)+4(3-3a)

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Solution for -63=-3(a-5)+4(3-3a) equation:


Simplifying
-63 = -3(a + -5) + 4(3 + -3a)

Reorder the terms:
-63 = -3(-5 + a) + 4(3 + -3a)
-63 = (-5 * -3 + a * -3) + 4(3 + -3a)
-63 = (15 + -3a) + 4(3 + -3a)
-63 = 15 + -3a + (3 * 4 + -3a * 4)
-63 = 15 + -3a + (12 + -12a)

Reorder the terms:
-63 = 15 + 12 + -3a + -12a

Combine like terms: 15 + 12 = 27
-63 = 27 + -3a + -12a

Combine like terms: -3a + -12a = -15a
-63 = 27 + -15a

Solving
-63 = 27 + -15a

Solving for variable 'a'.

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

Add '15a' to each side of the equation.
-63 + 15a = 27 + -15a + 15a

Combine like terms: -15a + 15a = 0
-63 + 15a = 27 + 0
-63 + 15a = 27

Add '63' to each side of the equation.
-63 + 63 + 15a = 27 + 63

Combine like terms: -63 + 63 = 0
0 + 15a = 27 + 63
15a = 27 + 63

Combine like terms: 27 + 63 = 90
15a = 90

Divide each side by '15'.
a = 6

Simplifying
a = 6

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