3a+1.50(216-a)=694.50

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Solution for 3a+1.50(216-a)=694.50 equation:


Simplifying
3a + 1.50(216 + -1a) = 694.50
3a + (216 * 1.50 + -1a * 1.50) = 694.50
3a + (324 + -1.5a) = 694.50

Reorder the terms:
324 + 3a + -1.5a = 694.50

Combine like terms: 3a + -1.5a = 1.5a
324 + 1.5a = 694.50

Solving
324 + 1.5a = 694.50

Solving for variable 'a'.

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

Add '-324' to each side of the equation.
324 + -324 + 1.5a = 694.50 + -324

Combine like terms: 324 + -324 = 0
0 + 1.5a = 694.50 + -324
1.5a = 694.50 + -324

Combine like terms: 694.50 + -324 = 370.5
1.5a = 370.5

Divide each side by '1.5'.
a = 247

Simplifying
a = 247

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