Beginning & Intermediate Algebra
a=3a = 3, b=−4b = -4, c=−7c = -7
a=7a = 7, b=−4b = -4, c=3c = 3
a=−3a = -3, b=4b = 4, c=7c = 7
a=3a = 3, b=−4b = -4, c=7c = 7