ellycleland16
25.11.2019 •
Mathematics
Which of the following best describes how to use of the addition property of equality to isolate the variable x below? . 5 = x – 2. a.. add 5 to both sides of the equation. b.. subtract 5 from both sides of the equation. c.. add 2 to both sides of the equation. d.. subtract 2 from both sides of the equatio
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Ответ:
5=x-2
5+2=x-2+2
7=x-0
x=7
Ответ:
First picture:
c = 90, alternate interior angles
5. c = 65, alternate interior angles
Second picture:
c = 100, alternate interior angles
7. x = 49, corresponding angles
y = 49, alternate interior angles