SOLUTION: I need help on practice 3.4 multi-step worksheet? The question is 12+2.1w=1.3 I need the answer and the check

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Question 136009This question is from textbook algebra 1
: I need help on practice 3.4 multi-step worksheet? The question is 12+2.1w=1.3 I need the answer and the check This question is from textbook algebra 1

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
12+2.1w=1.3
2.1w=1.3-12
2.1w=-10.7
w=-10.7/2.1
w=-5.095238 answer.
proof:
12+2.1*-5.095238=1.3
12-10.7=1.3
1.3=1.3