If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
t to x from the second equation is substituted into the first equation.
3x + 2y = −21
x − 3y = 4
A. 3(3y + 4) + 2y = −21
B. 3(−3y + 4) + 2y = −21
C. 3x + 2(3y + 4) = −21
D. 3x + 2(−3y + 4) = −21
1 answer:
Answer:
B
Step-by-step explanation:
when you subtact 3y on both sides
you get x = -3y+4
You might be interested in
Answer:
c
Step-by-step explanation:
-7.5 is less than 6.5
Answer:
93.03 in
Step-by-step explanation:
Height of square pyramid: √slant height² - (1/2 base side length)²
SH = √93.7² - 11.2² = 93.03
Answer:
linear
Step-by-step explanation:
use Desmos can help A LOT
True
∠2 and ∠5 are both vertical at the vertex of the 2 straight lines