3a-3=8(a+1)+11a+7

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Solution for 3a-3=8(a+1)+11a+7 equation:


Simplifying
3a + -3 = 8(a + 1) + 11a + 7

Reorder the terms:
-3 + 3a = 8(a + 1) + 11a + 7

Reorder the terms:
-3 + 3a = 8(1 + a) + 11a + 7
-3 + 3a = (1 * 8 + a * 8) + 11a + 7
-3 + 3a = (8 + 8a) + 11a + 7

Reorder the terms:
-3 + 3a = 8 + 7 + 8a + 11a

Combine like terms: 8 + 7 = 15
-3 + 3a = 15 + 8a + 11a

Combine like terms: 8a + 11a = 19a
-3 + 3a = 15 + 19a

Solving
-3 + 3a = 15 + 19a

Solving for variable 'a'.

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

Add '-19a' to each side of the equation.
-3 + 3a + -19a = 15 + 19a + -19a

Combine like terms: 3a + -19a = -16a
-3 + -16a = 15 + 19a + -19a

Combine like terms: 19a + -19a = 0
-3 + -16a = 15 + 0
-3 + -16a = 15

Add '3' to each side of the equation.
-3 + 3 + -16a = 15 + 3

Combine like terms: -3 + 3 = 0
0 + -16a = 15 + 3
-16a = 15 + 3

Combine like terms: 15 + 3 = 18
-16a = 18

Divide each side by '-16'.
a = -1.125

Simplifying
a = -1.125

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