SOLUTION: i need help with solving equations like this one 3x+1=10 5x+4=19 2t+7=-1

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Question 804519: i need help with solving equations like this one 3x+1=10 5x+4=19 2t+7=-1
Answer by erica65404(394) About Me  (Show Source):
You can put this solution on YOUR website!
Problem 1:
3x%2B1=10
3x%2B1-1=10-1
3x=9
3x%2F3=9%2F3
x=3
Problem 2:
5x%2B4=19
5x%2B4-4=19-4
5x=15
5x%2F5=15%2F5
x=3
Problem 3:
2t%2B7=-1
2t%2B7-7=-1-7
2t=-8
2t%2F2=-8%2F2
t=-4