Question

解方程组4x-3y=7,3分之x-1等于4分之2y加3

Answer 1

4x-3y=7 ①

(x-1)/3=(2y+3)/4 ②

②两边乘以12,得

4(x-1)=3(2y+3)

4x-6y=13 ③

①-③,得

3y=-6

y=-2

代入①中,得

x=1/4

x=1/4

y=-2