Answer:
(-1, -2)
Step-by-step explanation:
4x - 7y = 10
3x + 2y = -7
The common multiple of the x coefficient is 12.
Multiple 3 to 4 to get 12; 4 to 3 to 12:
3(4x - 7y = 10)
4(3x + 2y = -7)
12x - 21y = 30
12x + 8y = -28
Subtract the two equations:
-29y = 58
y = -2
Substitute y = -2 to either 4x - 7y = 10 or 3x + 2y = -7. Typically, do the easier equation to solve:
3x + 2(-2) = -7
3x - 4 = -7
3x = -3
x = -1
The order pair solution is like a coordinate: (x, y)
You are welcome!
Kayden Kohl
9th Grade Algebra II Student
Answer:
that would be b
Step-by-step explanation:
Answer:
- slope: -3/4
- y-intercept: -2 . . . . or point (0, -2)
Step-by-step explanation:
Slope-intercept form is ...
y = mx + b
Comparing your equation to this pattern, you can see that your equation is already in this form, with ...
In this form, the coefficient of x (which is m) is the slope of the line. Thus your slope is -3/4. The added constant (which is b) is the y-intercept, the value of y when x=0. Your y-intercept is -2. Expressed as the coordinates of a point, the y-intercept is (x, y) = (0, -2).
Hello there.
<span>-3(7+4n)=-8n-29
First, s</span><span>implify both sides of the equation.
Next, a</span><span>dd 8n to both sides.
After, a</span><span>dd 21 to both sides
Then, d</span><span>ivide both sides by -4
Last, you'll get </span>n=<span>2
Your answer: </span>n=<span>2</span>
