15(a+4)-15=7(2a+8)

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Solution for 15(a+4)-15=7(2a+8) equation:


Simplifying
15(a + 4) + -15 = 7(2a + 8)

Reorder the terms:
15(4 + a) + -15 = 7(2a + 8)
(4 * 15 + a * 15) + -15 = 7(2a + 8)
(60 + 15a) + -15 = 7(2a + 8)

Reorder the terms:
60 + -15 + 15a = 7(2a + 8)

Combine like terms: 60 + -15 = 45
45 + 15a = 7(2a + 8)

Reorder the terms:
45 + 15a = 7(8 + 2a)
45 + 15a = (8 * 7 + 2a * 7)
45 + 15a = (56 + 14a)

Solving
45 + 15a = 56 + 14a

Solving for variable 'a'.

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

Add '-14a' to each side of the equation.
45 + 15a + -14a = 56 + 14a + -14a

Combine like terms: 15a + -14a = 1a
45 + 1a = 56 + 14a + -14a

Combine like terms: 14a + -14a = 0
45 + 1a = 56 + 0
45 + 1a = 56

Add '-45' to each side of the equation.
45 + -45 + 1a = 56 + -45

Combine like terms: 45 + -45 = 0
0 + 1a = 56 + -45
1a = 56 + -45

Combine like terms: 56 + -45 = 11
1a = 11

Divide each side by '1'.
a = 11

Simplifying
a = 11

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