Question

7x-20/4=-15 x = what?

Answer 1

x = negative 5 over 8 or
-0.625

Explanation:

Isolate the variable by dividing the 2 sides

Answer 2

x=-10/7

Explanation:

Isolate the variable by dividing each side by factors that don't contain the variable

Exact Form: x= -10/7

Decimal Form: x= -1.428571.........

Mixed Number Form: x= -1 and 3/7