78=erq

Solution for 78=erq equation:

Simplifying
78 = erq

Solving
78 = eqr

Solving for variable 'e'.

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

Add '-1eqr' to each side of the equation.
78 + -1eqr = eqr + -1eqr

Combine like terms: eqr + -1eqr = 0
78 + -1eqr = 0

Add '-78' to each side of the equation.
78 + -78 + -1eqr = 0 + -78

Combine like terms: 78 + -78 = 0
0 + -1eqr = 0 + -78
-1eqr = 0 + -78

Combine like terms: 0 + -78 = -78
-1eqr = -78

Divide each side by '-1qr'.
e = 78q-1r-1

Simplifying
e = 78q-1r-1