Answer:
-2
Step-by-step explanation:
5+14a=9a-5
+5 +5
10+14a=9a
-9a -9a
10+5a=0
-5a -5a
10= -5a
÷5 ÷5
2= -a
*-1 *-1
-2=a
Answer:
y = 2x - 7
Step-by-step explanation:
lmk if you want an explanation
Answer:
C. 50
Step-by-step explanation:
The triangles are proportional and that is why you can find the scale factor. Set up a proportion (equivalent fractions). Set the proportion up with the corresponding sides together on thee top or the bottom of the proportion.
<u>65 </u> = <u> 91</u>
x 70
91x = 65 * 70
<u>91x</u> = <u>4550</u>
91 91
x = 50
Answer:
(5,-3) is a solution of -x-y=-2
Step-by-step explanation:
You just plug in the numbers in the equation
x=5 y=-3
-5(5)+2(-3)=-25-6 which doesn't equal -21
-5-(-3)=-5+3=-2