-9(7a-5)=18

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Solution for -9(7a-5)=18 equation:


Simplifying
-9(7a + -5) = 18

Reorder the terms:
-9(-5 + 7a) = 18
(-5 * -9 + 7a * -9) = 18
(45 + -63a) = 18

Solving
45 + -63a = 18

Solving for variable 'a'.

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

Add '-45' to each side of the equation.
45 + -45 + -63a = 18 + -45

Combine like terms: 45 + -45 = 0
0 + -63a = 18 + -45
-63a = 18 + -45

Combine like terms: 18 + -45 = -27
-63a = -27

Divide each side by '-63'.
a = 0.4285714286

Simplifying
a = 0.4285714286

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