You can put this solution on YOUR website! All these problems follow the exact same procedure I'll work the first one out.
4K-3=3K+4
To start with you need to move all terms with variables to one side of the equal sign and all those without variables to the opposite side of the equal sign. The variable in this equation is the letter k.
first to do is move the -3 to the other side of the equal sign. To do this you must add a 3 to each side.
4k - 3 + 3 = 3k + 4 + 3
When you combine -3 and +3 you get zero so:
4k = 3k + 4 + 3
Now on the other side combine +4 and +3 to get 7
4k = 3k + 7
Next move the 3k over to the 4k side. To do this you have to subtract 3k from each side of the equal sign.
4k - 3k = 3k - 3k + 7
When you combine 4k - 3k you get 1k or just k
k = 3k - 3k + 7
now on the other side combine 3k - 3k to get zero so now we are left with
k = 7
Finally check you answer by taking the original equation 4k - 3 = 3k + 4 and subsistute you anwser in this case 7 with the variable k
4k - 3 = 3k + 4
4(7) - 3 = 3(7) + 4
28 - 3 = 21 + 4
25 = 25
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