解方程:(90-X)=4分之1(180-x)-12
问题描述:
解方程:(90-X)=4分之1(180-x)-12
答
(90-X)=4分之1(180-x)-12
360-4X=180-x-48
-3x=132-360
-3x=-228
x=76
答
(90-X)=4分之1(180-x)-12
4(90-x)=(180-x)-48
360-4x=180-x-48
3x=228
x=76
答
90-x=(180-x)/4-12
360-4x=180-x-48
-3x=132-360
-3x=-228
x=76