-63=-5(a+5)-4(1+3a)

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Solution for -63=-5(a+5)-4(1+3a) equation:


Simplifying
-63 = -5(a + 5) + -4(1 + 3a)

Reorder the terms:
-63 = -5(5 + a) + -4(1 + 3a)
-63 = (5 * -5 + a * -5) + -4(1 + 3a)
-63 = (-25 + -5a) + -4(1 + 3a)
-63 = -25 + -5a + (1 * -4 + 3a * -4)
-63 = -25 + -5a + (-4 + -12a)

Reorder the terms:
-63 = -25 + -4 + -5a + -12a

Combine like terms: -25 + -4 = -29
-63 = -29 + -5a + -12a

Combine like terms: -5a + -12a = -17a
-63 = -29 + -17a

Solving
-63 = -29 + -17a

Solving for variable 'a'.

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

Add '17a' to each side of the equation.
-63 + 17a = -29 + -17a + 17a

Combine like terms: -17a + 17a = 0
-63 + 17a = -29 + 0
-63 + 17a = -29

Add '63' to each side of the equation.
-63 + 63 + 17a = -29 + 63

Combine like terms: -63 + 63 = 0
0 + 17a = -29 + 63
17a = -29 + 63

Combine like terms: -29 + 63 = 34
17a = 34

Divide each side by '17'.
a = 2

Simplifying
a = 2

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