angie096731 angie096731

02-11-2016
Mathematics

contestada

How do I solve this linear equation?
21+x=30

Respuesta :

ramenmcdonald ramenmcdonald

02-11-2016

21+x=30

30-21 is 8

x=8

Answer Link

1mathwhiz 1mathwhiz

02-11-2016

simple 30 -21 gives you 9 then 9 +21 gives you 30 that means x =9

Answer Link

Otras preguntas

Inventory Heung-Soo is responsible for checking a shipment of technology equipment that contains laser printers that cost $700 each and color monitors that cost

b)A company has issued five-year bonds with the annual coupon and the repayment of principal linked to an index of inflation. The coupon rate is 4.75% and the p

What did Buddha mean by “He who sees me sees the teaching, and he who sees the teaching see me”

Ron is preparing for a two-day presentation to a large audience at a seminar that he conducts every year. He should: a. spend a lot of time rehearsing the pres

PLEASE HELP!!! parallel lines are two lines that never meet. find an example that contradicts this definition. How would you change the definition to make it mo

Question 6 of 10 Scott Financials is having trouble attracting young, energetic, technology- focused employees. As a human resource manager, what is the best re

All of the following are ways that people who live in the dessert adapt or modify their environment except

help me to solve thisssss

3x2= 2x____=4 ___x2=2 0x2= -1x2=-2 -2x2=-4 -3x2=-6

A population of mice contains 20 animals with white tails and 30 animals with grey tails. Grey tails are the dominant trait.