It is 20.
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It is 5n - 8 <= 2n + 10
2n - 8 < 5n + 10 -3n < 18 n < -6
Twice a number means to multiply the number by 2
Twice the number is something like 3x2, 4x2.... Squared is 3x3, 4x4. It's one number multiplied by itself twice
"Five Times the Difference" implies multiplying five by an operation of subtraction so you would represent it by using parentheses: 5(number - number). "Twice a number" means you are multiplying an unknown number, X, by 2. So you represent this as 2x. The equation now looks like: 5(2x - 14) "Is negative ten" basically means "Is Equal to -10." The final equation should look like: 5(2x - 14) = -10 Solve using distribution and combining like terms.