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2*t+4=19
We simplify the equation to the form, which is simple to understand
2*t+4=19
Simplifying:
+2t+4=19
We move all terms containing t to the left and all other terms to the right.
+2t=+19-4
We simplify left and right side of the equation.
+2t=+15
We divide both sides of the equation by 2 to get t.
t=7.5
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