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viva [34]
3 years ago
6

Solve the equation for y. 4.2x-1.4y=2.1

Mathematics
1 answer:
mr Goodwill [35]3 years ago
8 0

Subtract 2.1 from both sides:

4.2x-1.4y-2.1=0

Add 1.4y to both sides:

4.2x-2.1=1.4y

Of course, we can rewrite this as

1.4y=4.2x-2.1

Divide both sides by 1.4

y = \dfrac{4.2}{1.4}x - \dfrac{2.1}{1.4} = 3x - 1.5

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