Don L. answered 02/27/17
Tutor
5
(18)
Fifteen years teaching and tutoring basic math skills and algebra
Hi Willow, to solve the proportion, all that is necessary is to cross-multiply and then solve for x.
2/8 = -30/x
Cross-multiply:
2 * x = -30 * 8
2x = -240
Divide by 2:
x = -120
Questions?