8(a-4)-45(a-5)=18(5a+5)

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Solution for 8(a-4)-45(a-5)=18(5a+5) equation:


Simplifying
8(a + -4) + -45(a + -5) = 18(5a + 5)

Reorder the terms:
8(-4 + a) + -45(a + -5) = 18(5a + 5)
(-4 * 8 + a * 8) + -45(a + -5) = 18(5a + 5)
(-32 + 8a) + -45(a + -5) = 18(5a + 5)

Reorder the terms:
-32 + 8a + -45(-5 + a) = 18(5a + 5)
-32 + 8a + (-5 * -45 + a * -45) = 18(5a + 5)
-32 + 8a + (225 + -45a) = 18(5a + 5)

Reorder the terms:
-32 + 225 + 8a + -45a = 18(5a + 5)

Combine like terms: -32 + 225 = 193
193 + 8a + -45a = 18(5a + 5)

Combine like terms: 8a + -45a = -37a
193 + -37a = 18(5a + 5)

Reorder the terms:
193 + -37a = 18(5 + 5a)
193 + -37a = (5 * 18 + 5a * 18)
193 + -37a = (90 + 90a)

Solving
193 + -37a = 90 + 90a

Solving for variable 'a'.

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

Add '-90a' to each side of the equation.
193 + -37a + -90a = 90 + 90a + -90a

Combine like terms: -37a + -90a = -127a
193 + -127a = 90 + 90a + -90a

Combine like terms: 90a + -90a = 0
193 + -127a = 90 + 0
193 + -127a = 90

Add '-193' to each side of the equation.
193 + -193 + -127a = 90 + -193

Combine like terms: 193 + -193 = 0
0 + -127a = 90 + -193
-127a = 90 + -193

Combine like terms: 90 + -193 = -103
-127a = -103

Divide each side by '-127'.
a = 0.811023622

Simplifying
a = 0.811023622

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