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4:7=m:42
7*6=42
so multiply 4*6 also and m=24
or 4:7=24:42
To solve this equation, we will need to isolate y, the variable. These are the steps that follow:
1. Add 0.3y to each side.
2. Subtract 21.3 from each side.
3. Divide both sides by 5.4y.
Try and figure it out yourself! If you have trouble...
The answer is y = -8.5
An integer is any positive or negative WHOLE number. So a few examples are 2, -4 and 7.