(4x-5)+(2x-3)
4x+2x= 6x
-5+-3= -8
6x-8
1,000,000,000 standard form
one billion word form
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Hope this helps you
2 times a number minus 9 is less than or equal to 21. and in inequality form that’s: 2x - 9 >_ 21 and u make a number line and a closed circle on 15 and an arrow going right. i hope i understood your question right