5a+3+4a=-5(a+5)-7(5-5a)

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


Simplifying
5a + 3 + 4a = -5(a + 5) + -7(5 + -5a)

Reorder the terms:
3 + 5a + 4a = -5(a + 5) + -7(5 + -5a)

Combine like terms: 5a + 4a = 9a
3 + 9a = -5(a + 5) + -7(5 + -5a)

Reorder the terms:
3 + 9a = -5(5 + a) + -7(5 + -5a)
3 + 9a = (5 * -5 + a * -5) + -7(5 + -5a)
3 + 9a = (-25 + -5a) + -7(5 + -5a)
3 + 9a = -25 + -5a + (5 * -7 + -5a * -7)
3 + 9a = -25 + -5a + (-35 + 35a)

Reorder the terms:
3 + 9a = -25 + -35 + -5a + 35a

Combine like terms: -25 + -35 = -60
3 + 9a = -60 + -5a + 35a

Combine like terms: -5a + 35a = 30a
3 + 9a = -60 + 30a

Solving
3 + 9a = -60 + 30a

Solving for variable 'a'.

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

Add '-30a' to each side of the equation.
3 + 9a + -30a = -60 + 30a + -30a

Combine like terms: 9a + -30a = -21a
3 + -21a = -60 + 30a + -30a

Combine like terms: 30a + -30a = 0
3 + -21a = -60 + 0
3 + -21a = -60

Add '-3' to each side of the equation.
3 + -3 + -21a = -60 + -3

Combine like terms: 3 + -3 = 0
0 + -21a = -60 + -3
-21a = -60 + -3

Combine like terms: -60 + -3 = -63
-21a = -63

Divide each side by '-21'.
a = 3

Simplifying
a = 3

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