2x + 5y = -8 . . . (1)
-133x - 4y = -8 . . . (2)
(1) * 4 => 8x + 20y = -32 . . . (3)
(2) * -5 => -665x + 20y = 32 . . . (4)
(3) - (4) => 673x = 0
x = 0
From (1), 2(0) + 5y = -8
5y = -8
y = -8/5
Given:
The equation is

To find:
The value of b.
Solution:
We have,

Subtracting both sides by
, we get




Therefore, the value of b is
.
Answer:
<h3>

</h3>
Step-by-step explanation:

Here, we have to find the two numbers that subtracts to 4 and multiplies to 21
⇒
⇒
Factor out X from the expression
⇒
Factor out 3 from the expression
⇒
Factor out x-7 from the expression
⇒
Hope I helped!
Best regards!!
Answer:
Well, just being simple, 2 would be the compass or the straightedge.
Step-by-step explanation:
Answer:
33
Step-by-step explanation: