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Solve 2a + b = 3 4a  5b = 20 My attempt Multiply the first equation by 5 So, 10a + 5b = 15 4a  5b = 20 Add them together 14a = 35 Divide both sides by 14 a = 2.5 Substitute (I have done it with the second one) 10  5b = 20 Take
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Solve 2a + b = 3 4a  5b = 20 My attempt Multiply the first equation by 5 So, 10a + 5b = 15 4a  5b = 20 Add them together 14a = 35 Divide both sides by 14 a = 2.5 Substitute (I have done it with the second one) 10  5b = 20 Take
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can someone correct these for me i'll appreciate it thank. dirctions: solve 3x7=2x+8 my answer: x = 15 directions: solve 2/5x=10 my answer: x = 25 Directions: solve 3(x+1)=2(x8)+3 my answer: x= 3.2 1 looks ok. Show your work
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