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put this solution on YOUR website! (4t - 2) + (3t + 8) = -15
Put 1's before each parentheses
1(4t - 2) + 1(3t + 8) = -15
Use the distributive law to remove the parentheses:
4t - 2 + 3t + 8 = -15
7t + 6 = -15
7t = -15 - 6
7t = -21
t = -3
Edwin