why can you write a subtraction problem as an addition problem? How do you write a subtraction problem as an addition problem?
1 answer:
To write a subtraction problem as an addition problem, just switch the numbers a little. For example:
11 - 5 = ?
Just write it like this:
5 + ? = 11
These two problems will get the same answer. Watch:
11 - 5 = 6
5 + 6 = 11
Both of these work because all three numbers ( two main ones and the answer) Can be switched around in different orders depending on the operation.
Hope this helps, WyattMarine501
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Answer:
Is the w2, w(2) or
?
If it's w(2) the answer is -4--8+1=-4+8+1=5
if it's w^2 then the answer would be 4--8+1=4+8+1=13
Since we know a triangle only has 180 degrees we can say:
99+3x+x+5=180
Then we can solve for x:
4x+104=180
4x=76
x=19
Step-by-step explanation:
(x - 2)(2x + 3)
=2x²+3x-4x-6
=2x²-x-6
Answer:
54
Step-by-step explanation:
to evaluate substitute b = 18 into 3b
3b = 3 × 18 = 54
Answer:
coinciding
Step-by-step explanation:
If you divide the second equation by 3, you get the first equation. They describe the same line, so the lines are <em>coinciding</em>.
