(3x + 1/2 ) + ( 7x - 4 1/2 )
3x+7x + 1/2 - 4 1/2
10x -4
Answer:
3 45/55 or 3 9/11
Step-by-step explanation:
convert each term to an improper fraction
42/5 divided by -11/5
dividing fractions is the same as multiply by reciprocal of the second term
42/5 x -5/11 = -210/55
First step.Addition error
Step-by-step explanation:
Given the equation as;
18.5 w + 6.5 w - 2.8 w = 149.1 add like terms
22.2w=149.1
22.2w/22.2=149.1/22.2
w=6.72
Learn More
Addition in decimals:brainly.com/question/9148823
Keywords: equation, error
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Answer: True
Explanation:
ABCD is a face on the figure
