om2gyReite3ell om2gyReite3ell

03-10-2016
Mathematics

contestada

Which equation is an identity a; -3y 3=-3y-6b; 3w 8-w=4w-2(w-4)c;9-(2v 3)=-2v-6d; 7m-5=8m 7-m?

Respuesta :

nobillionaireNobley nobillionaireNobley

09-10-2016

3w + 8 - w = 4w - 2(w - 4)
2w + 8 = 4w - 2w + 8
2w + 8 = 2w + 8
0 = 0

Therefore, option b is an identity.

Answer Link

Otras preguntas

what is 5m+6+m-18=60

Why does more solar energy reach the equatorial regions than the polar regions?

one way in whick Robespierre and Louis XVI of France are similar is that both

Is There Still Slavery in the World? Please help me :)

Does a scalene always have to have unequal sides?

a rectangular table top measures 4/9 of a meter long by 4/5 of a meter wide. the area is _____ square meter.

Acme Inc. spent $870 less on postage than on supplies. The ratio of postage costs to supply costs was 2 to 5. How much did Acme spend on postage? Solve this pro

What are the essential 4 parts for a civilization to develop? Explain how rivers were the source of civilization?

What is the next number of the pattern. 2 7 26 101 400

Im not quite sure how to answer this question... A 1000kg rocket is moving at a constant velocity in deep space; it is moving at 40 meters/second when its burne