100+7a=250-18a

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Solution for 100+7a=250-18a equation:


Simplifying
100 + 7a = 250 + -18a

Solving
100 + 7a = 250 + -18a

Solving for variable 'a'.

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

Add '18a' to each side of the equation.
100 + 7a + 18a = 250 + -18a + 18a

Combine like terms: 7a + 18a = 25a
100 + 25a = 250 + -18a + 18a

Combine like terms: -18a + 18a = 0
100 + 25a = 250 + 0
100 + 25a = 250

Add '-100' to each side of the equation.
100 + -100 + 25a = 250 + -100

Combine like terms: 100 + -100 = 0
0 + 25a = 250 + -100
25a = 250 + -100

Combine like terms: 250 + -100 = 150
25a = 150

Divide each side by '25'.
a = 6

Simplifying
a = 6

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