-1.7(a-1)=2.3(a+9)

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Solution for -1.7(a-1)=2.3(a+9) equation: 


Simplifying
-1.7(a + -1) = 2.3(a + 9)

Reorder the terms:
-1.7(-1 + a) = 2.3(a + 9)
(-1 * -1.7 + a * -1.7) = 2.3(a + 9)
(1.7 + -1.7a) = 2.3(a + 9)

Reorder the terms:
1.7 + -1.7a = 2.3(9 + a)
1.7 + -1.7a = (9 * 2.3 + a * 2.3)
1.7 + -1.7a = (20.7 + 2.3a)

Solving
1.7 + -1.7a = 20.7 + 2.3a

Solving for variable 'a'.

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

Add '-2.3a' to each side of the equation.
1.7 + -1.7a + -2.3a = 20.7 + 2.3a + -2.3a

Combine like terms: -1.7a + -2.3a = -4a
1.7 + -4a = 20.7 + 2.3a + -2.3a

Combine like terms: 2.3a + -2.3a = 0.0
1.7 + -4a = 20.7 + 0.0
1.7 + -4a = 20.7

Add '-1.7' to each side of the equation.
1.7 + -1.7 + -4a = 20.7 + -1.7

Combine like terms: 1.7 + -1.7 = 0.0
0.0 + -4a = 20.7 + -1.7
-4a = 20.7 + -1.7

Combine like terms: 20.7 + -1.7 = 19
-4a = 19

Divide each side by '-4'.
a = -4.75

Simplifying
a = -4.75

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