已知方程组x+2y=3m 得解满足5x+8y,求m的值?x-y=9m
问题描述:
已知方程组x+2y=3m 得解满足5x+8y,求m的值?
x-y=9m
答
(1)3x-y=5(2)5x-1=3x+5
已知方程组x+2y=3m 得解满足5x+8y,求m的值?
x-y=9m
(1)3x-y=5(2)5x-1=3x+5