8 plus 5 times a number is 7 times the number. What is the number?

2 Answers
May 22, 2017

#5x + 8 = 7x# Then you can find your number (which is 4).

Explanation:

Your equation is

#5x + 8 = 7x " where "x" is an unknown number."#

#-2x = -8#

#x=4#

Your solution is: #" "x=4#

May 22, 2017

See explanation

Explanation:

Firstly, we should develop an algebraic equation which we can solve: (In this case, we'll use the value #x#)

Algebraic Equation: #8 + 5 x = 7x#

Now, all we need to do is solve the equation:

= #8 + 5 x = 7x#
= #7x = 8+5x#
= #2x = 8#
= #8/2#
= #4#

Therefore, the value of #x# is 4.

All the best!