3x+5y= -9
Y= 2x-7
Use substitution to solve the system
1 answer:
Answer:
x = 2
Step-by-step explanation:
3x + 5y = -9 ___(1)
y = 2x - 7
Substituting y's value in (1) ..
3x + 5( 2x - 7) = -9
3x + 10x -35 = -9
13x = -9 + 35
13x = 26
x = 26/13
<u>x = 2</u>
You might be interested in
Answer:
The answer is the first one at the tap
Answer:
729.
Step-by-step explanation:
Answer:
The correct answer is A
Answer:
25.12
Step-by-step explanation:
Formula: 2πr, r = d/2
Given: π = 3.14, d = 8
Sub: r = 8/2
Simplify: r = 4
Sub: 2(3.14)(4)
Simplify: 6.28(4)
Solve: 25.12
Its 1.33 because you round up if its 5 or greater
