(2x-4) / 5 = x + 4. Mult. both sides by 5 to eliminate the fraction on the left side:
2x-4=5x + 20
Combining like terms, 3x = -24, and so x = -8
Answer:
Step-by-step explanation:
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<u>Anna:</u>
1st month = 18 + = 18 inches
2nd month = 18 + = 19
3rd month = 19 + = 20
4th month = 20 + = 21
5th month = 21 + = 21
<u>Grace:</u>
Because Anna is inches shorter than Grace, we can start the count from the third month:
1st month = 20
2nd month = 21
3rd month = 21
4th month = 21 + = 22
5th month = 22 + = 23