Question

Write an equation for the following, where "x" is always the number.
Let the unknown number be "x"
a) Four times a number is twenty
b) Four less than one-third of a number is ten
c) The sum of ten and three times a number is nineteen
d) Seven times a number, minus six, results in negative eighty

Answer 1

Answer:

a.4x=20.

b.x/3-4=10.

c.3x+10=19.

d.7z-6=-8