4.2=14a+6b

Solution for 4.2=14a+6b equation:

Simplifying
4.2 = 14a + 6b

Solving
4.2 = 14a + 6b

Solving for variable 'a'.

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

Add '-14a' to each side of the equation.
4.2 + -14a = 14a + -14a + 6b

Combine like terms: 14a + -14a = 0
4.2 + -14a = 0 + 6b
4.2 + -14a = 6b

Add '-4.2' to each side of the equation.
4.2 + -4.2 + -14a = -4.2 + 6b

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + -14a = -4.2 + 6b
-14a = -4.2 + 6b

Divide each side by '-14'.
a = 0.3 + -0.4285714286b

Simplifying
a = 0.3 + -0.4285714286b