Answer:
one-solution
Step-by-step explanation:
(x + 2y = 6)2
2x - 3y = 26
2x + 4y = 12
2x - 3y = 26
7y = -14
y = -2
x + 2(-2) = 6
x + -4 = 6
x = 10
-52 (x - 97) = x + 39
-52x + 5,044 = x + 39
+52x +52x
5,044 = 53x + 39
-39 - 39
5,005 = 53x
____ ____
53x 53x
94.43 = x
Answer:
C
Step-by-step explanation:
10 mean 100%
x mean 7%
--------------------
x=7*10/100 = 70/100 = 0,7
hope this helped