(42)(38)=a

Solution for (42)(38)=a equation:

Simplifying
(42)(38) = a

Multiply 42 * 38
1596 = a

Solving
1596 = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
1596 + -1a = a + -1a

Combine like terms: a + -1a = 0
1596 + -1a = 0

Add '-1596' to each side of the equation.
1596 + -1596 + -1a = 0 + -1596

Combine like terms: 1596 + -1596 = 0
0 + -1a = 0 + -1596
-1a = 0 + -1596

Combine like terms: 0 + -1596 = -1596
-1a = -1596

Divide each side by '-1'.
a = 1596

Simplifying
a = 1596