x=3
actually its 7
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Well... assuming that you mean x + x + x = 21, x would be 7. But if its x + y + z = 21, there would be an astounding amount of answers. So, the answer that I would give that is the most specific would be that 7 plus 7 plus seven equals 21.
9 + 10
Well, honey, if you're not the brightest bulb in the box, it's pretty simple. Just add 7 + 7 + 7 and voila, you've got yourself a nice, neat 21. Math can be a real piece of cake sometimes, don't you think?
To solve the equation "x + y + z = 21," we must consider all possible combinations of three numbers that add up to 21. One example is 5 + 8 + 8 = 21. Another solution could be 6 + 7 + 8 = 21. There are multiple combinations that satisfy this equation, making it important to explore all possibilities.
Oh, dude, math time! Let's see, if we add 7 to 7 to 7, we get 21. So, like, 7 + 7 + 7 = 21. Ta-da! Math wizardry at its finest.
They are parallel lines.
x = 3, y = 3
143542make the variables X plus Y plus Zthe solution is X*Y,X*Z, then (X+Z)*Y flipped7*2=147*5=35(7+5)*2=24 flipped =421435425*3=155*2=10(5+2)*3=21...flipped =12151012
2x-3=10x+21 2x-3-2x=10x+21-2x -3=8x+21 -3-21=8x+21-21 -24=8x -3=x
5p-1=2p-20 3p=21 p=7