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If −30+k=22 -30+k=22 what's the value of k k ?

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Find limits using power and root lawsright chevron icon

Full solution

Q. If −30+k=22 -30+k=22 what's the value of k k ?
  1. Add 3030 to both sides: To solve for kk, we need to isolate kk on one side of the equation. We can do this by adding 3030 to both sides of the equation to cancel out the −30-30 on the left side.\newline−30+k+30=22+30-30 + k + 30 = 22 + 30
  2. Simplify the equation: After performing the addition, we simplify both sides of the equation.\newlinek=22+30k = 22 + 30\newlinek=52k = 52
  3. Substitute kk back: We have found the value of kk. To ensure there is no math error, we can substitute kk back into the original equation to check if it satisfies the equation.\newline−30+52=22-30 + 52 = 22\newline22=2222 = 22\newlineThis is true, so there is no math error.

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