Respuesta :

b=7

5b - 4 =  2b + 17
3b - 4 =  17               subtract 2b on each side of the equal sign
3b = 21                     add 4 on each side of the equal sign
b = 7                         divide by 3 each side of the equal sign
n22mcclanahans
B=7
5x7 is 35 minus 4 is 31
2x7 is 14 plus 17 is also 31

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