SOLUTION: 1.3x+2.8x=12.3

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Question 114427: 1.3x+2.8x=12.3
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
1.3x%2B2.8x=12.3 Start with the given equation


10%281.3x%2B2.8x%29=10%2812.3%29 Multiply both sides by 10 to move the decimal on each number 1 time. This will make every number a whole number.

13x%2B28x=123 Distribute and multiply

41x=123 Combine like terms on the left side


x=%28123%29%2F%2841%29 Divide both sides by 41 to isolate x



x=3 Divide

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Answer:
So our answer is x=3