Answer:
7x+21 = 7x + 21
Step-by-step explanation:
7(x+3)=6-(-7x - 15)
L.H.S
=7(x+3)
=7x+21 (multiply 7 by (x+3))
R.H.S:
=6-(-7x - 15)
= 6+7x+15 (multiply the -ive sign in the bracket)
= 7x + 21 ( adding 15 and 6)
now compare the two sides
7x+21 = 7x + 21 hence we prove that L.H.S= R.H.S
Answer:
To answer this question, more information needs to be disclosed.
Answer:
<h2>h = 9, k = 8</h2>
Step-by-step explanation:

Answer:
44
Step-by-step explanation:
((−5)(−44))(1)
5
=
(220)(1)
5
=
220
5
=44
Since 80 divided by 22 is 3.636, the ratio is 3.636:1