7-10(1-10a)=11a+8(9a-11)

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Solution for 7-10(1-10a)=11a+8(9a-11) equation:


Simplifying
7 + -10(1 + -10a) = 11a + 8(9a + -11)
7 + (1 * -10 + -10a * -10) = 11a + 8(9a + -11)
7 + (-10 + 100a) = 11a + 8(9a + -11)

Combine like terms: 7 + -10 = -3
-3 + 100a = 11a + 8(9a + -11)

Reorder the terms:
-3 + 100a = 11a + 8(-11 + 9a)
-3 + 100a = 11a + (-11 * 8 + 9a * 8)
-3 + 100a = 11a + (-88 + 72a)

Reorder the terms:
-3 + 100a = -88 + 11a + 72a

Combine like terms: 11a + 72a = 83a
-3 + 100a = -88 + 83a

Solving
-3 + 100a = -88 + 83a

Solving for variable 'a'.

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

Add '-83a' to each side of the equation.
-3 + 100a + -83a = -88 + 83a + -83a

Combine like terms: 100a + -83a = 17a
-3 + 17a = -88 + 83a + -83a

Combine like terms: 83a + -83a = 0
-3 + 17a = -88 + 0
-3 + 17a = -88

Add '3' to each side of the equation.
-3 + 3 + 17a = -88 + 3

Combine like terms: -3 + 3 = 0
0 + 17a = -88 + 3
17a = -88 + 3

Combine like terms: -88 + 3 = -85
17a = -85

Divide each side by '17'.
a = -5

Simplifying
a = -5

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