Translate the English sentence into a mathematical equation or inequality as appropriate:
Three y plus seven equals forty-two.
Answer
3y + 7 = 42
Seven-eighths of x is at most thirty.
Nine is less than y.
9 < y
Three less than one-fifth of y is eleven.
z minus one is at least negative two.
z – 1 ≥ -2
If we quadruple x and then add four we get eight.
4x + 4 = 8
The ratio of x and four is greater than the difference of x and two.
The total of x and five is no more than four.
x + 5 ≤ 4
Three times z yields fifty-one.
3z = 51
x combined with the difference of x and four yields three.
x + (x – 4) = 3
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