SOLUTION: what is 85+89+86+x=90

Click here to see ALL problems on Average

Question 822381: what is 85+89+86+x=90
Found 3 solutions by TimothyLamb, Alan3354, richwmiller:
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website!
---
85 + 89 + 86 + x = 90
260 + x = 90
x = 90 - 260
x = -170
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php

Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website!
what is 85+89+86+x=90
-----------
It's an equation.

Answer by richwmiller(17219)   (Show Source):
You can put this solution on YOUR website!
It is probably a mistake
You probably want an average.
(85+89+86+x)/4=90
x=100