-(10a-3a)-(10a-20a+8)=

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Solution for -(10a-3a)-(10a-20a+8)= equation:


Simplifying
-1(10a + -3a) + -1(10a + -20a + 8) = 0

Combine like terms: 10a + -3a = 7a
-1(7a) + -1(10a + -20a + 8) = 0

Remove parenthesis around (7a)
-1 * 7a + -1(10a + -20a + 8) = 0

Multiply -1 * 7
-7a + -1(10a + -20a + 8) = 0

Reorder the terms:
-7a + -1(8 + 10a + -20a) = 0

Combine like terms: 10a + -20a = -10a
-7a + -1(8 + -10a) = 0
-7a + (8 * -1 + -10a * -1) = 0
-7a + (-8 + 10a) = 0

Reorder the terms:
-8 + -7a + 10a = 0

Combine like terms: -7a + 10a = 3a
-8 + 3a = 0

Solving
-8 + 3a = 0

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 3a = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 3a = 0 + 8
3a = 0 + 8

Combine like terms: 0 + 8 = 8
3a = 8

Divide each side by '3'.
a = 2.666666667

Simplifying
a = 2.666666667

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