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icang [17]
3 years ago
11

4x-15=3x+12 how does this work out

Mathematics
2 answers:
guajiro [1.7K]3 years ago
8 0
First subtract 3x from itself and from 4x. Then the next problem will be (x-15=12). Add 15 to itself and to 12. Then the answer will be (x=27).
shepuryov [24]3 years ago
5 0
You have to find the value of x. first get x by its self on one side of the equation. so you have to add 15 to the -15 to cancel it out. what you do to one side of the equation you have to do to the other side so add 15 to 3x + 12. you should have 4x = 3x + 27. now since you only want the x on one side of the equals sign you have to subtract 3x from both sides of the equation to cancel out the 3x. you should have 1x = 27 or x = 27. now all you have to do is plug in the value of x ,27, into the original equations. 4(27) - 15 = 3(27) + 12.
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