Solve, using the substitution method.
2 answers:
14-4x=2y
y+2x=7
14-4x=2y
Solve 2x+y=7 for y
Add -2x to both sides
2x+y+-2x=7+-2x
y=-2x+7
Substitute -2x+7 for in -4x+14=2y
-4x=14=2y
-4x+14=2(-2x+7)
Simplify both sides of the equation
-4x+14=-4x+14
Add 4x to both sides
-4x+14+4x=-4x+14+4x
14=14
Add -14 to both sides
14+-14=14+-14
0=0
Infinitely many solutions
Answer : C
You might be interested in
Answer:
39
Step-by-step explanation:
using line and triangle property you can solve this question
Answer:
f(x) = x² - 4x - 12
Step-by-step explanation:
f(x) = (x - 6)(x + 2)
f(x) = x² + 2x - 6x - 12
f(x) = x² - 4x - 12
I ran out of time. will come back in a few minutes to answer the question.
Call x is the number of girls in the classroom.
Answer:
1 2/5
Step-by-step explanation:
Step 1:
1.4 = 140/100
Step 2:
140/100 = 70/50
Step 3:
70/50 = 35/25
Step 4:
35/25 = 7/5
Step 5:
7/5 = 1 2/5
Answer:
1 2/5
Hope This Helps :)
