化简5(2x-3)+4(3-2x)结果是( ) A.2x-3 B.2x+9 C.8x-3 D.18x-3
问题描述:
化简5(2x-3)+4(3-2x)结果是( )
A. 2x-3
B. 2x+9
C. 8x-3
D. 18x-3
答
5(2x-3)+4(3-2x)
=10x-15+12-8x
=2x-3
故选:A.