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kifflom [539]
2 years ago
12

Three times the sum of a number and seven is two less than five times the number.

Mathematics
1 answer:
m_a_m_a [10]2 years ago
4 0
3 (x + 7) =  5x - 2
3x + 21 = 5x - 2
3x - 5x = -2 - 21

-2x = -23 
x = -23/-2
x = 23/2


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