如果4X+5=43,则8X+2.4X=().

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如果4X+5=43,则8X+2.4X=().如果4X+5=43,则8X+2.4X=().如果4X+5=43,则8X+2.4X=().x=9.58x+2.4x=98.8

如果4X+5=43,则8X+2.4X=().
如果4X+5=43,则8X+2.4X=().

如果4X+5=43,则8X+2.4X=().
x=9.5
8x+2.4x=98.8