Greetings.
The answer is (5,4)
Explanation:
Solving by elimination can be done by adding or subtracting of first and two equation.
Find any terms that make themselves = 0.
And that is the y-term.
Our 2y and -2y. If we add each others, we'd get 0 for y-term.
Therefore, we eliminate the y-term first.

If you are wondering how I get 2x = 10 then here's the explanation.
So we simply add/subtract both equations.
We do -x + 3x = 2x
Then +2y - 2y = 0
And 3 + 7 = 10
That's how we get 2x = 10.
Basically Add/Subtract in Vertical way.

We may get the x-value but we need to know the y-value too.
Therefore, substitute x = 5 into any given equations. I suggest you to substitute the x-value in any equations with less coefficient value.
I'd rather substitute x = 5 in -x+2y = 3.

Substitute x = 5 in -x + 2y = 3

Therefore, when x = 5, y = 4. Since you want the answer in ordered pairs then It's (5,4).
Answer:
the sum of two negative integers is a negative integer. true
the sum of two positive integers is a positive integer. true
to find the sum of a positive and a negative integer take the absolute value of each integer and then subtract these values.
true
the additive inverse of any integer and its opposite is equal to 0. false
The sum of any integer and its opposite is equal to zero.
Answer:
x = 5
Step-by-step explanation:
Add all of the angles together. We know that the third one is 90° because it is a right triangle and the little square indicates a 90° angle.
7x + 16 + 39 + 90 = 180
Simply.
7x + 145 = 180
-145 -145
7x = 35
/7 /7
x = 5
^-^
Answer:
1/6.
Step-by-step explanation:
x / 4/7 = 7/24 where x is the dividend.
7x/4 = 7/24
Cross multiply:
7x * 24 = 4*7
x = 28/(7*24)
= 28/168
= 1/6.