For example:
x+2y=7
6x+7y=2
__________
x=7-2y *
6*(7-2y)+7y=2 **
__________
x=7-2y
42-12y+7y=2
__________
x=7-2y
-5y=-40
__________
x=7-2y
y=8
x=-9
Answer:
B
Step-by-step explanation:
In the composition of <em>f</em><em> </em>and <em>g</em>, the equation is telling us to place the function <em>f</em> inside <em>g</em>. Observing in B that <em>f</em> is (x + 4), then this can be put in place of the x in 3x^2, making it 3(x + 4)^2 and finally the minus 5.
Answer:
p = 14/4
Step-by-step explanation:
-4p+9=-5
-4p = -14
p = 14/4
12/10, 1.2, and any of the infinite multiples of the fraction such as 24/20, 120/100 etc...
Answer:
Step-by-step explanation:
hello :
450×21/8=1181,25
