The surface area depends on the shape, not just the length of sides.
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5m = 2m - 153m = -15m = -15/3m = -5
2m x 5m = 10 sq. m.
40 cubic meters
To solve the equation 5m + 3 = 3m + 9, you need to isolate the variable m. Start by subtracting 3m from both sides to get 2m + 3 = 9. Then, subtract 3 from both sides to get 2m = 6. Finally, divide by 2 to find m = 3.
5m + 7 - 2m - 1 = 3m + 6