Question

write then solve an equation to determine the number.
a) A number divided by negative four is three.
b) Five less than three times a number is seven.
c) fifteen more than twice a number is six more than five times the number.​

Answer 1

Answer:

x/-4=3

-

x=3*-4

x= -12

b)3x-5=7

3x=12

x=4

c)15+2x=6+5x

-3x=-9

x=3