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EleoNora [17]
3 years ago
11

Solve for y 4.2x - 1.4y = 2.1

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0
4.2x - 1.4y = 2.1    |multiply both sides by 10

42x - 14y = 21    |subtract 42x from both sides

-14y = 21 - 42x    |change signs

14y = 42x - 21    |divide both sides by 14

y = 3x - 1.5
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