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irga5000 [103]
3 years ago
6

If rs =3x + 1, st = 2x- 2 ,and rt = 64,find the value of x

Mathematics
1 answer:
stealth61 [152]3 years ago
3 0
             rs + st = rt     Plug in the values
3x + 1 + 2x - 2 = 64   Combine like terms (1 and -2)
       3x -1 + 2x = 64   Combine like terms (3x and 2x)
            -1 + 5x = 64   Add 1 to both sides
                  5x = 65   Divide both sides by 5
                    x = 13
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