Can someone please answer 5, 6 and 7? Thank you.
1 answer:
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Answer:
<h3>Step-by-step explanation:
1.
Move constant to right hand side and change its sign
⇒
Subtract 6 from 21
⇒
Divide both sides of the equation by 3
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Calculate
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2.
Swap the sides of the equation
⇒
Move constant to right hand side and change it's sign
⇒
Add the numbers
⇒
Divide both sides of the equation by 7
⇒
Calculate
⇒
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3.
Swap the sides of the equation
⇒
Move constant to right hand side and change it's sign
⇒
Subtract 7 from 28
⇒
Hope I helped!
Best regards!!