Question

twice the sum of a number and 8 is equal to 3 times the difference of the number and 7 find the number ​

Answer 1

The answer should be 37



2(x+8) = 3(x-7)

distribute
2x+16 = 3x-21

Subtract 2x from both sides
2x+16-2x = 3x-21-2x
16 = x-21

Add 21 to both sides
16+21 = x-21+21