3a-7(-9a+18)=

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Solution for 3a-7(-9a+18)= equation:


Simplifying
3a + -7(-9a + 18) = 0

Reorder the terms:
3a + -7(18 + -9a) = 0
3a + (18 * -7 + -9a * -7) = 0
3a + (-126 + 63a) = 0

Reorder the terms:
-126 + 3a + 63a = 0

Combine like terms: 3a + 63a = 66a
-126 + 66a = 0

Solving
-126 + 66a = 0

Solving for variable 'a'.

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

Add '126' to each side of the equation.
-126 + 126 + 66a = 0 + 126

Combine like terms: -126 + 126 = 0
0 + 66a = 0 + 126
66a = 0 + 126

Combine like terms: 0 + 126 = 126
66a = 126

Divide each side by '66'.
a = 1.909090909

Simplifying
a = 1.909090909

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