-33=3a+4a

Solution for -33=3a+4a equation:

Simplifying
-33 = 3a + 4a

Combine like terms: 3a + 4a = 7a
-33 = 7a

Solving
-33 = 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-33 + -7a = 7a + -7a

Combine like terms: 7a + -7a = 0
-33 + -7a = 0

Add '33' to each side of the equation.
-33 + 33 + -7a = 0 + 33

Combine like terms: -33 + 33 = 0
0 + -7a = 0 + 33
-7a = 0 + 33

Combine like terms: 0 + 33 = 33
-7a = 33

Divide each side by '-7'.
a = -4.714285714

Simplifying
a = -4.714285714