catty7343
05.10.2020 •
Mathematics
Solve for x: 2x + 7 = -9 - 6x
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Ответ:
X = 2
Step-by-step explanation:
2x + 7 = -9 - 6x
subtract 7 from both sides
2x = - 16 - 6x
add 6x to both sides
8x = 16
divide 16 by 8
x = 2
Ответ:
40x-6 is not equivalent because 16 is not a multiple of 40
Step-by-step explanation:
if you write the multiples of 4o you will see that 16 is not one of them so that means 40x-16 is not equivalent