19=-9(5a-7)

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Solution for 19=-9(5a-7) equation:


Simplifying
19 = -9(5a + -7)

Reorder the terms:
19 = -9(-7 + 5a)
19 = (-7 * -9 + 5a * -9)
19 = (63 + -45a)

Solving
19 = 63 + -45a

Solving for variable 'a'.

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

Add '45a' to each side of the equation.
19 + 45a = 63 + -45a + 45a

Combine like terms: -45a + 45a = 0
19 + 45a = 63 + 0
19 + 45a = 63

Add '-19' to each side of the equation.
19 + -19 + 45a = 63 + -19

Combine like terms: 19 + -19 = 0
0 + 45a = 63 + -19
45a = 63 + -19

Combine like terms: 63 + -19 = 44
45a = 44

Divide each side by '45'.
a = 0.9777777778

Simplifying
a = 0.9777777778

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