– 7 x2 15 3 2 +7 x – 5 3 15 12​

Question

– 7 x2
15
3
2 +7 x – 5
3
15
12​

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Thành Đạt 7 months 2021-07-31T01:33:25+00:00 1 Answers 2 views 0

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    2021-07-31T01:34:53+00:00

    Answer:What number must be multiplied by 3 to obtain 15? … Example 11 A student solved the equation 5x – 3 = 4x + 2 and found an answer of x = 6. … Example 12 3x = 6 and 2x + 1 = 5 are equivalent because in both cases x = 2 is a solution. … + 3x = 7x + 2 – 4x can be changed to a simple equation x = 3, and the equation x = 3 is .

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