3a+8a-17=15a+28

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Solution for 3a+8a-17=15a+28 equation:


Simplifying
3a + 8a + -17 = 15a + 28

Reorder the terms:
-17 + 3a + 8a = 15a + 28

Combine like terms: 3a + 8a = 11a
-17 + 11a = 15a + 28

Reorder the terms:
-17 + 11a = 28 + 15a

Solving
-17 + 11a = 28 + 15a

Solving for variable 'a'.

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

Add '-15a' to each side of the equation.
-17 + 11a + -15a = 28 + 15a + -15a

Combine like terms: 11a + -15a = -4a
-17 + -4a = 28 + 15a + -15a

Combine like terms: 15a + -15a = 0
-17 + -4a = 28 + 0
-17 + -4a = 28

Add '17' to each side of the equation.
-17 + 17 + -4a = 28 + 17

Combine like terms: -17 + 17 = 0
0 + -4a = 28 + 17
-4a = 28 + 17

Combine like terms: 28 + 17 = 45
-4a = 45

Divide each side by '-4'.
a = -11.25

Simplifying
a = -11.25

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