5*a+7=9*a-25

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Solution for 5*a+7=9*a-25 equation:


Simplifying
5a + 7 = 9a + -25

Reorder the terms:
7 + 5a = 9a + -25

Reorder the terms:
7 + 5a = -25 + 9a

Solving
7 + 5a = -25 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
7 + 5a + -9a = -25 + 9a + -9a

Combine like terms: 5a + -9a = -4a
7 + -4a = -25 + 9a + -9a

Combine like terms: 9a + -9a = 0
7 + -4a = -25 + 0
7 + -4a = -25

Add '-7' to each side of the equation.
7 + -7 + -4a = -25 + -7

Combine like terms: 7 + -7 = 0
0 + -4a = -25 + -7
-4a = -25 + -7

Combine like terms: -25 + -7 = -32
-4a = -32

Divide each side by '-4'.
a = 8

Simplifying
a = 8

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