11a-6a=4(10a+7)-15(15-3a)

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Solution for 11a-6a=4(10a+7)-15(15-3a) equation:


Simplifying
11a + -6a = 4(10a + 7) + -15(15 + -3a)

Combine like terms: 11a + -6a = 5a
5a = 4(10a + 7) + -15(15 + -3a)

Reorder the terms:
5a = 4(7 + 10a) + -15(15 + -3a)
5a = (7 * 4 + 10a * 4) + -15(15 + -3a)
5a = (28 + 40a) + -15(15 + -3a)
5a = 28 + 40a + (15 * -15 + -3a * -15)
5a = 28 + 40a + (-225 + 45a)

Reorder the terms:
5a = 28 + -225 + 40a + 45a

Combine like terms: 28 + -225 = -197
5a = -197 + 40a + 45a

Combine like terms: 40a + 45a = 85a
5a = -197 + 85a

Solving
5a = -197 + 85a

Solving for variable 'a'.

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

Add '-85a' to each side of the equation.
5a + -85a = -197 + 85a + -85a

Combine like terms: 5a + -85a = -80a
-80a = -197 + 85a + -85a

Combine like terms: 85a + -85a = 0
-80a = -197 + 0
-80a = -197

Divide each side by '-80'.
a = 2.4625

Simplifying
a = 2.4625

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