(1)x和2x-12互为相反数,求x的值?
问题描述:
(1)x和2x-12互为相反数,求x的值?
答
X=4
答
x和2x-12互为相反数,则-x=2x-12 3x=12 x=4
(1)x和2x-12互为相反数,求x的值?
X=4
x和2x-12互为相反数,则-x=2x-12 3x=12 x=4