10) If ten is added to four times a certain number, the sum is four less than five times the number. Find the number. July 22, 2021 by Minh Khuê 10) If ten is added to four times a certain number, the sum is four less than five times the number. Find the number.
Answer: x = 14 Step-by-step explanation: let the number be x. 4 times the number = 4x 10 added to 4 times the number = 4x + 10 now, 5 times the number = 5x 4 less than 5 times the number = 5x – 4 Given that, 4x + 10 = 5x – 4 moving all x terms to the LHS and the constants to the RHS 4x – 5x = -4 – 10 -x = -14 dividing both sides by -1 x = 14 Reply
Answer:
x = 14
Step-by-step explanation:
let the number be x.
now,
Given that,
4x + 10 = 5x – 4
moving all x terms to the LHS and the constants to the RHS
4x – 5x = -4 – 10
-x = -14
dividing both sides by -1
x = 14