halimomohamed
06.11.2020 •
Mathematics
Which option it correct
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Ответ:
the answer is 45
Step-by-step explanation:
4x-15=x+30
+15 +15
4x=x+45
-x -x
3x=45
3x/3=45/3
x=15
4x-15
4(15)-15
60-15
45
hopefully this helps :)
Ответ:
45
Step-by-step explanation:
Ответ:
= -3x + 6.3y + 5x - 4.2y
= 2x + 2.1y