You need to ask your teacher for any help and to evaluate and double check each step.
Answer:
The simplified version of this expression is
-2x + 15
Hope this helps!!
Answer:
(-3, 2)
Step-by-step explanation:
{3x=7y=5
{5x-2y=-19
solve....
maybe it was 3x + 7y = 5
and 5x - 2y = -19
2*(3x + 7y = 5)
7*(5x - 2y = -19)
-------------
6x + 14y = 10
35x -14y = -133
41x = -123
x = -3
y = ...
5*(-3) - 2y = -19
-15 - 2y = -19
2y = 4
y = 2
(-3, 2)
Answer:
1) 144
2) 1
Step-by-step explanation:
b is 14 for sure
you are welcome to ask me anything
