> multiply the second equation by 2 and add it to the first equation.
2(-6x - 7y = -10)
-12x -14y = -20
8x + 14y = 4
-12x - 14y = -20
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- 4x + 0 = - 16
x = -16/-4
x = 4
> use x = 4 in either equation to find y
8(4) + 14y = 4
32 + 14y = 4
14y = 4 - 32
14y = -28
y = -28/14
y = -2
Answer:
b) 16%
Step-by-step explanation:
add 36 to 48 (84) then subtract that from 100. 16% played both games
Answer:
B. SUBTRACTION PROPERTY OF EQUALITY
Step-by-step explanation:
A. Categorical
b. I think walking group (I’m not sure)
c. Bar graph
Answer:multiply by three
Step-by-step explanation: