4a+0(b)+0c+2d=98

Solution for 4a+0(b)+0c+2d=98 equation:

Simplifying
4a + 0(b) + 0c + 2d = 98

Anything times zero is zero.
4a + 0b + 0c + 2d = 98

Anything times zero is zero.
4a + 0 + 0c + 2d = 98

Reorder the terms:
0 + 0 + 4a + 2d = 98

Combine like terms: 0 + 0 = 0
0 + 4a + 2d = 98
4a + 2d = 98

Solving
4a + 2d = 98

Solving for variable 'a'.

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

Add '-2d' to each side of the equation.
4a + 2d + -2d = 98 + -2d

Combine like terms: 2d + -2d = 0
4a + 0 = 98 + -2d
4a = 98 + -2d

Divide each side by '4'.
a = 24.5 + -0.5d

Simplifying
a = 24.5 + -0.5d