-7a+3(a-c)+5c=

Solution for -7a+3(a-c)+5c= equation:

Simplifying
-7a + 3(a + -1c) + 5c = 0
-7a + (a * 3 + -1c * 3) + 5c = 0
-7a + (3a + -3c) + 5c = 0

Combine like terms: -7a + 3a = -4a
-4a + -3c + 5c = 0

Combine like terms: -3c + 5c = 2c
-4a + 2c = 0

Solving
-4a + 2c = 0

Solving for variable 'a'.

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

Add '-2c' to each side of the equation.
-4a + 2c + -2c = 0 + -2c

Combine like terms: 2c + -2c = 0
-4a + 0 = 0 + -2c
-4a = 0 + -2c
Remove the zero:
-4a = -2c

Divide each side by '-4'.
a = 0.5c

Simplifying
a = 0.5c