4.2у-3.5=0.4у-1.2-1.16

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вопрос

To solve this equation for y, first combine like terms:

4.2y - 3.5 = 0.4y - 1.2 - 1.16

Subtract 0.4y from both sides:
4.2y - 0.4y - 3.5 = -1.2 - 1.16

Combine y terms and constants:
3.8y - 3.5 = -2.36

Add 3.5 to both sides:
3.8y = 1.14

Finally, divide by 3.8 to solve for y:
y = 1.14 / 3.8
y = 0.3