Question

12x + 30 = 15x - 63 ( slove the equation step by step​

Answer 1

Answer❀✿°᭄

Let Z be the number

Z = 13x + 11 where x is the quotient when Z is divided by 13

Z = 17y + 9 where y is the quotient when Z is divided by 17

13x + 11 = 17y + 9

13x + 2 = 17y since x and y are quotients they should be whole numbers . Since y has to be a whole number the left hand side should be multiple of 17

The least possible value of x satisfying the condition is 9 and y will be 7

The answer is 13*9 + 11 = 128 or it is 17*7 + 9 = 128

This is the least number possible. There will be multiple answers and will increase in multiples 17*13 = 221 like 349 , 570, etc

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Answer 2

Answer:

x = 31

Step-by-step explanation:

12x + 30 = 15x - 63

12x - 15x = - 63 - 30

- 3x = - 93 (Cancel minus in LHS and RHS)

3x = 93

x = 93/3

x = 31