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Mathematics
Everett Sutton
20 October, 04:20
15 - t + 8t = - 13
4a + 11 - a = 2
+3
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2
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Harper
20 October, 04:46
0
15-t + 8t = - 13
15 + 7t = - 13
7t = - 13-15
7t = - 28
t = - 4
4a + 11-a = 2
3a = 2-11
3a = - 9
a = - 3
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Abraham Juarez
20 October, 05:13
0
Remember you can do anything to an equation as long as you do it to both sides
15-1t+8t=-13
15+7t=-13
minus 15 both sides
7t=-28
divide both sides by 7
t=-4
4a+11-1a=2
3a+11=2
minus 11 both sides
3a=-9
divide by 3 both sides
a=-3
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