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shtirl [24]
3 years ago
11

1.8+3.5y+0.9+9=16.2 PLEASE HELP!!

Mathematics
1 answer:
GalinKa [24]3 years ago
6 0

Solution:

1.8 + 3.5y + 0.9 + 9 = 16.2

subtracting 0.9 and 9 from both side

1.8 + 3.5y + 0.9 + 9 - 0.9 - 9 = 16.2 - 0.9 - 9

it will become

1.8 + 3.5y = 6.3

subtracting 1.8 from both side

1.8 + 3.5y - 1.8 = 6.3 -1.8

it will become

3.5y = 4.5

now dividing both side by 3.5

\frac{3.5y}{3.5} =  \frac{4.5}{3.5}

So

y= \frac{4.5}{3.5}

which means

y = 1.28


Hope it helps!


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