5a+3(216-a)=888

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Solution for 5a+3(216-a)=888 equation:


Simplifying
5a + 3(216 + -1a) = 888
5a + (216 * 3 + -1a * 3) = 888
5a + (648 + -3a) = 888

Reorder the terms:
648 + 5a + -3a = 888

Combine like terms: 5a + -3a = 2a
648 + 2a = 888

Solving
648 + 2a = 888

Solving for variable 'a'.

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

Add '-648' to each side of the equation.
648 + -648 + 2a = 888 + -648

Combine like terms: 648 + -648 = 0
0 + 2a = 888 + -648
2a = 888 + -648

Combine like terms: 888 + -648 = 240
2a = 240

Divide each side by '2'.
a = 120

Simplifying
a = 120

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