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What is 9=4t+(-7t) how would I find the value of t
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What is 9=4t+(-7t)
how would I find the value of t

User Coretta
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9=4t-7t
9=-3t
-3=t
the value of t is -3.
User GWW
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4t+(-7t) is the same as you saying 4t-7t, so 4t-7t= -3t. 9=-3t, divide each side by -3 and t is equal to -3
User Mianos
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