5a-4=7(a+1)+13a+5

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Solution for 5a-4=7(a+1)+13a+5 equation:


Simplifying
5a + -4 = 7(a + 1) + 13a + 5

Reorder the terms:
-4 + 5a = 7(a + 1) + 13a + 5

Reorder the terms:
-4 + 5a = 7(1 + a) + 13a + 5
-4 + 5a = (1 * 7 + a * 7) + 13a + 5
-4 + 5a = (7 + 7a) + 13a + 5

Reorder the terms:
-4 + 5a = 7 + 5 + 7a + 13a

Combine like terms: 7 + 5 = 12
-4 + 5a = 12 + 7a + 13a

Combine like terms: 7a + 13a = 20a
-4 + 5a = 12 + 20a

Solving
-4 + 5a = 12 + 20a

Solving for variable 'a'.

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

Add '-20a' to each side of the equation.
-4 + 5a + -20a = 12 + 20a + -20a

Combine like terms: 5a + -20a = -15a
-4 + -15a = 12 + 20a + -20a

Combine like terms: 20a + -20a = 0
-4 + -15a = 12 + 0
-4 + -15a = 12

Add '4' to each side of the equation.
-4 + 4 + -15a = 12 + 4

Combine like terms: -4 + 4 = 0
0 + -15a = 12 + 4
-15a = 12 + 4

Combine like terms: 12 + 4 = 16
-15a = 16

Divide each side by '-15'.
a = -1.066666667

Simplifying
a = -1.066666667

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