23a+17=25(5+4a)-18

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Solution for 23a+17=25(5+4a)-18 equation:


Simplifying
23a + 17 = 25(5 + 4a) + -18

Reorder the terms:
17 + 23a = 25(5 + 4a) + -18
17 + 23a = (5 * 25 + 4a * 25) + -18
17 + 23a = (125 + 100a) + -18

Reorder the terms:
17 + 23a = 125 + -18 + 100a

Combine like terms: 125 + -18 = 107
17 + 23a = 107 + 100a

Solving
17 + 23a = 107 + 100a

Solving for variable 'a'.

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

Add '-100a' to each side of the equation.
17 + 23a + -100a = 107 + 100a + -100a

Combine like terms: 23a + -100a = -77a
17 + -77a = 107 + 100a + -100a

Combine like terms: 100a + -100a = 0
17 + -77a = 107 + 0
17 + -77a = 107

Add '-17' to each side of the equation.
17 + -17 + -77a = 107 + -17

Combine like terms: 17 + -17 = 0
0 + -77a = 107 + -17
-77a = 107 + -17

Combine like terms: 107 + -17 = 90
-77a = 90

Divide each side by '-77'.
a = -1.168831169

Simplifying
a = -1.168831169

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