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:
The answer will be 7,-3
Step-by-step explanation:
Answer:
10%-8%=2
2/8=0.25
0.25×100=25
The net percentage is 25%
Right square pyramid V=189cm³
Answer:
d
Step-by-step explanation:
because how the line passes through the positive 4 and its a negative slope along with the fact that it goes down 3 over 2.
