-15+5a=-4(9a-7)

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Solution for -15+5a=-4(9a-7) equation:


Simplifying
-15 + 5a = -4(9a + -7)

Reorder the terms:
-15 + 5a = -4(-7 + 9a)
-15 + 5a = (-7 * -4 + 9a * -4)
-15 + 5a = (28 + -36a)

Solving
-15 + 5a = 28 + -36a

Solving for variable 'a'.

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

Add '36a' to each side of the equation.
-15 + 5a + 36a = 28 + -36a + 36a

Combine like terms: 5a + 36a = 41a
-15 + 41a = 28 + -36a + 36a

Combine like terms: -36a + 36a = 0
-15 + 41a = 28 + 0
-15 + 41a = 28

Add '15' to each side of the equation.
-15 + 15 + 41a = 28 + 15

Combine like terms: -15 + 15 = 0
0 + 41a = 28 + 15
41a = 28 + 15

Combine like terms: 28 + 15 = 43
41a = 43

Divide each side by '41'.
a = 1.048780488

Simplifying
a = 1.048780488

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