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77julia77 [94]
3 years ago
12

I need help on outdated I-ready! -.-

Mathematics
1 answer:
tiny-mole [99]3 years ago
4 0

S equals 36

multiply both sides of the equation by 3

S+42=78

Move constant to the right side and change its sign

S=78-42

subtract the numbers

S=36

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