Solve for t
t=12
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8\times 4=t+20
Multiply both sides by 4.
32=t+20
Multiply 8 and 4 to get 32.
t+20=32
Swap sides so that all variable terms are on the left hand side.
t=32-20
Subtract 20 from both sides.
t=12
Subtract 20 from 32 to get 12.
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