4a+9b+2c+d=

Solution for 4a+9b+2c+d= equation:

Simplifying
4a + 9b + 2c + d = 0

Solving
4a + 9b + 2c + d = 0

Solving for variable 'a'.

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

Add '-9b' to each side of the equation.
4a + 9b + 2c + -9b + d = 0 + -9b

Reorder the terms:
4a + 9b + -9b + 2c + d = 0 + -9b

Combine like terms: 9b + -9b = 0
4a + 0 + 2c + d = 0 + -9b
4a + 2c + d = 0 + -9b
Remove the zero:
4a + 2c + d = -9b

Add '-2c' to each side of the equation.
4a + 2c + -2c + d = -9b + -2c

Combine like terms: 2c + -2c = 0
4a + 0 + d = -9b + -2c
4a + d = -9b + -2c

Add '-1d' to each side of the equation.
4a + d + -1d = -9b + -2c + -1d

Combine like terms: d + -1d = 0
4a + 0 = -9b + -2c + -1d
4a = -9b + -2c + -1d

Divide each side by '4'.
a = -2.25b + -0.5c + -0.25d

Simplifying
a = -2.25b + -0.5c + -0.25d