To solve this problem, we will setup a system.
We know that two numbers have a sum of 12 and a difference of 4.
So let's call our first number x and our second number y.
So we know that x + y = 12.
We can also say that x - y = 4.
Now rewrite the equations on top of each other.
<h2>x + y = 12</h2><h2>x - y = 4</h2><h2 />
Now we can use addition to solve this system.
When we add the equations together, the y's will cancel.
So we have 2x = 16.
Now divide both sides by 2 and x = 8.
Now plug an 8 back in for x in the first equation to find that y = 4.
So our numbers are 8 and 4.
Those are the perfect answer
well done:)
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Step-by-step explanation:
25 - 2(5 + 4x)
= 25 - 10 - 8x (Distributive Property)
= 15 - 8x.
Answer:
I think is 6,-6. Because if you multiply 6×6=36 and -6×-6=36
Solve for <span>x </span>by simplifying both sides of the equation, then isolating the variable.<span>x=4</span>
