-29.5=-7+4.5(a+8)

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Solution for -29.5=-7+4.5(a+8) equation: 


Simplifying
-29.5 = -7 + 4.5(a + 8)

Reorder the terms:
-29.5 = -7 + 4.5(8 + a)
-29.5 = -7 + (8 * 4.5 + a * 4.5)
-29.5 = -7 + (36 + 4.5a)

Combine like terms: -7 + 36 = 29
-29.5 = 29 + 4.5a

Solving
-29.5 = 29 + 4.5a

Solving for variable 'a'.

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

Add '-4.5a' to each side of the equation.
-29.5 + -4.5a = 29 + 4.5a + -4.5a

Combine like terms: 4.5a + -4.5a = 0.0
-29.5 + -4.5a = 29 + 0.0
-29.5 + -4.5a = 29

Add '29.5' to each side of the equation.
-29.5 + 29.5 + -4.5a = 29 + 29.5

Combine like terms: -29.5 + 29.5 = 0.0
0.0 + -4.5a = 29 + 29.5
-4.5a = 29 + 29.5

Combine like terms: 29 + 29.5 = 58.5
-4.5a = 58.5

Divide each side by '-4.5'.
a = -13

Simplifying
a = -13

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