200+50=a+213

Solution for 200+50=a+213 equation:

Simplifying
200 + 50 = a + 213

Combine like terms: 200 + 50 = 250
250 = a + 213

Reorder the terms:
250 = 213 + a

Solving
250 = 213 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
250 + -1a = 213 + a + -1a

Combine like terms: a + -1a = 0
250 + -1a = 213 + 0
250 + -1a = 213

Add '-250' to each side of the equation.
250 + -250 + -1a = 213 + -250

Combine like terms: 250 + -250 = 0
0 + -1a = 213 + -250
-1a = 213 + -250

Combine like terms: 213 + -250 = -37
-1a = -37

Divide each side by '-1'.
a = 37

Simplifying
a = 37