angie096731
angie096731 angie096731
  • 02-11-2016
  • Mathematics
contestada

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

Respuesta :

ramenmcdonald
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

how many books did Harriet beecher stowe write?
Many colonial people volunteered to fight for the Allied forces because they hoped their service would win their colony's ____
A car that travels from point A to point B in four hours, and then from point B back to point A in six hours. The road between point A and point B is perfectly
What is the value of x in 15x-10= 20
if f(x)=|3x-4|+2, find f (-10)
Tear is to sorrow as smile is to
How can b^2+9b+14 be re-written?1) (b+7) (b-7)2) (b-7) (b-2)3) (b+7) (b-2)4) (b+7) (b+2)
what is the cell cycle??
I need a Amazon tribe name please! Need for Monday
How many heart chambers does a shark have?