The expression x - 5x simplifies to -4x. This is because when subtracting like terms, we subtract the coefficients of the variables while keeping the variable the same. In this case, x has a coefficient of 1 and -5x has a coefficient of -5, so when subtracted, we get -4x.
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5x - 7 = 2x + 3 - x5x = x + 104x = 10x = 2.5Check It!5(2.5) - 7 = 2(2.5) + 3 - (2.5)12.5 - 7 = 5 + 0.55.5 = 5.5 Correct!
this question makes no sense. do you mean what are the zeros/roots of this polynomial?Factoring trinomials are fun!5x2 - 8x - 4(5x + 2)(x - 2)Never forget to check:5x2 - 10x + 2x - 45x2 - 8x - 4Good everything is in order, now set each parentheses equal to zero to solve for x5x + 2 = 05x = -2x = - 2/5x - 2 = 0x = 2All done! Now we know the solution set is {-2/5, 2}. Remember smallest number always goes first.
A 20 minute lesson would mean 80 minutes of practice.20 = X Cross Multiply 5X = 400 Solve for X5X = 4005 20 /5 /5X = 80
as equal as, so equal as, more equal than, the most equal of.