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

When we use a t-chart to find the points to graph our equation, we must always ________. pick points for one of the variables and solve for the other one. solve

Help Please ASAP…….30 Points

Body composition is best improved or maintained by participating in a running program. true or false.

A mixture in which different materials can be easily distinguished.

how river streams impact farming

A builder wants to make a room soundproof in a new home. The builder should use materials that (1 point) o absorb sound waves and prevent echoes O reflect sound

40. Why is John so late? I do not know _____________. A. what can the reason be C. what the reason be B. can what the reason be D. what the reason can be E. wha

What volume of 2. 5m naoh solution contains 3. 25 mol of naoh?.

How many letters are in the longest word in the world?.

Write and balance the equation for the dissolving of aluminium chloride into an aqueous solution with the dissociation of the ions. This is a dissolution reacti