9a+28=10a-180

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Solution for 9a+28=10a-180 equation:


Simplifying
9a + 28 = 10a + -180

Reorder the terms:
28 + 9a = 10a + -180

Reorder the terms:
28 + 9a = -180 + 10a

Solving
28 + 9a = -180 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
28 + 9a + -10a = -180 + 10a + -10a

Combine like terms: 9a + -10a = -1a
28 + -1a = -180 + 10a + -10a

Combine like terms: 10a + -10a = 0
28 + -1a = -180 + 0
28 + -1a = -180

Add '-28' to each side of the equation.
28 + -28 + -1a = -180 + -28

Combine like terms: 28 + -28 = 0
0 + -1a = -180 + -28
-1a = -180 + -28

Combine like terms: -180 + -28 = -208
-1a = -208

Divide each side by '-1'.
a = 208

Simplifying
a = 208

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