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weqwewe [10]
2 years ago
15

Help!! I have no clue what to do. I’m struggling and stuck on this whole problem. Can you please explain how you got the answers

? Thank you!

Mathematics
2 answers:
Goshia [24]2 years ago
7 0
1. add -3 both sides
2. mult. each side by 1/3
3. add -3 to each side
4. mult. each side by -3
5. mult. each side by -1/3
Salsk061 [2.6K]2 years ago
3 0
First one: Add -3x to each side
Explanation 5x-3x will leave you with 2x on one side and only 7 on the other side of the equal sign
Second one: Multiply each side by 1/3
Explanation: Multiplying by a fraction is the equivalent to dividing. If you divide each number by 3 you are left with
4x + 1 = 2
Third one: Add -3 to each side
Explanation: Since -3 has no variable you can only subtract from the real numbers giving you 7 - 6x = 1 + 5x
Fourth: Multiple each side by -3
Explanation: Multiplication reverses division so multiplying 5x/-3 by -3 eliminates the -3 leaving you with 5x. the other side is just 12, and 12 • -3 = -36
Last one: Multiply by -1/3
Explanation: Like I said earlier, multiplication and division eliminate each other so on the first side it eliminates -3 and on the other side you just preform normal division.
Hope this helps! :)
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