2.85a-7=12.58a-2

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Solution for 2.85a-7=12.58a-2 equation:


Simplifying
2.85a + -7 = 12.58a + -2

Reorder the terms:
-7 + 2.85a = 12.58a + -2

Reorder the terms:
-7 + 2.85a = -2 + 12.58a

Solving
-7 + 2.85a = -2 + 12.58a

Solving for variable 'a'.

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

Add '-12.58a' to each side of the equation.
-7 + 2.85a + -12.58a = -2 + 12.58a + -12.58a

Combine like terms: 2.85a + -12.58a = -9.73a
-7 + -9.73a = -2 + 12.58a + -12.58a

Combine like terms: 12.58a + -12.58a = 0.00
-7 + -9.73a = -2 + 0.00
-7 + -9.73a = -2

Add '7' to each side of the equation.
-7 + 7 + -9.73a = -2 + 7

Combine like terms: -7 + 7 = 0
0 + -9.73a = -2 + 7
-9.73a = -2 + 7

Combine like terms: -2 + 7 = 5
-9.73a = 5

Divide each side by '-9.73'.
a = -0.5138746146

Simplifying
a = -0.5138746146

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