7a+15t-300=0

Solution for 7a+15t-300=0 equation:

Simplifying
7a + 15t + -300 = 0

Reorder the terms:
-300 + 7a + 15t = 0

Solving
-300 + 7a + 15t = 0

Solving for variable 'a'.

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

Add '300' to each side of the equation.
-300 + 7a + 300 + 15t = 0 + 300

Reorder the terms:
-300 + 300 + 7a + 15t = 0 + 300

Combine like terms: -300 + 300 = 0
0 + 7a + 15t = 0 + 300
7a + 15t = 0 + 300

Combine like terms: 0 + 300 = 300
7a + 15t = 300

Add '-15t' to each side of the equation.
7a + 15t + -15t = 300 + -15t

Combine like terms: 15t + -15t = 0
7a + 0 = 300 + -15t
7a = 300 + -15t

Divide each side by '7'.
a = 42.85714286 + -2.142857143t

Simplifying
a = 42.85714286 + -2.142857143t