9th grade
posted by ashtyn
what is the value of x in the system? 5x3y=23 3x+5y=7

Math?
5x3y=23...............equation (1)
3x+5y=7.................equation (2)
Eq. (1) x 5: 25x15y=115......Equation (3)
Eq. (2) x 3: 9x + 15y=21........Equation (4)
Eq (3)+Eq. (4): 34x = 136 (eliminating y)
Therefore, x = 4
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