3x+4x-6=36-5x 解7乘(x-8)=31+4x(x-4)乘9=(4-x)乘7x除3+(100-x)乘2=100
问题描述:
3x+4x-6=36-5x 解
7乘(x-8)=31+4x
(x-4)乘9=(4-x)乘7
x除3+(100-x)乘2=100
答
3x+4x-6=36-5x
12x=42
x=3.5
答
x=3.5
答
3x+4x+5x=36+6
12x=42
x=42/12=3.5