Find the values of the pronumerals in this diagram. Write down the reason in each case.
1 answer:
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Answer:
we conclude that in the second step, 3 should have been subtracted from the right side as well on the left side.
Step-by-step explanation:
Given the expression
SECOND STEP
subtract 3 from the right-hand side as well as on the left-hand side
SOLVING THE REMAINING COMPLETE COMPRESSION
Divide all parts by -2
- Please note that multiply or divide an inequality by a negative number flips the inequality sign.
so the expression becomes
Hence, from the explanation, we conclude that in the second step, 3 should have been subtracted from the right side as well on the left side.
Answer:
On a keyboard, you would write [5, infinity)
The square bracket means "include this value" and a curved parenthesis means "exclude this value". We cannot include infinity as it is not a number, so we always use parenthesis with either infinity.
is the same as
which is also the same as
which may help lead to set up the interval notation answer.