Write equations for the following situations. Use N for the unknown number. Do not solve the equations, math homework help
Write equations for the following situations. Use N for the unknown number. Do not solve the equations.
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Three times a number is 180.
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A number increased by 13 equals 25.
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Seven less than a number is 5.
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Fifty-seven decreased by 3 times a number is 21.
Solve for the unknown number:
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C + 40 = 90
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29 + M = 44
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D − 77 = 98
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7N = 63
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3Q + 4Q + 2Q + 108
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H + 5H + 3 = 57
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2(N − 3) = 62
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E − 32 = 41
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5(2T − 2) = 120
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12W − 5W = 98
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49 − X = 37
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12(V + 2) = 84
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7D + 4 = 5D + 14
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7(T − 2) = 2T − 9