Step-by-step explanation:
(-6x +3y=9 )×4
( 10x+4y)×3
-24x +12y =36
30x+12y= -18
-24x+12y- (30x+12y)= 36-(-18)
-54x = 54
x= -1
by using 10x +4y = -6
apply x= -1
-10+4y= -6
4y= -6 +10
4y=4
y=1
so the answer is x=-1 and y= 1
Answer:
Convert the decimal to a percentage by multiplying the decimal by
100
.
350
%
Step-by-step explanation:
X (X - 1) = 342
x² - x = 342
x² - x - 342 = 0
X = 19
The second answer is D) it will increase 8 times