m * 7 = 28
The first thing you need to do is eliminate the 7 from the expression m*7. Since you are multiplying the 7, you must divide the whole equation (both sides) by seven to get rid of it. So, (m*7) divided by 7 is m. 28 divided by 7 is four. Therefore, the answer is four.
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No. If n=5, 80n would be 400, not 28
4 x z = 28 z = 28/4 z = 7
28+14=42, But 28 x 14=392, Therefore the answer is NO!
7x+5-14 = 28 7x = 28+14-5 7x = 37 x = 37/7 = 5.'285714' recurring
It is an equation of: 5x+3 = 28 and its solution is x = 5 5 times x plus 3 equals 28. Subtract 3 from both sides of the equation. 5 times x equals 25. Divide both sides of the equation by 5. x equals 5. (stop)