18+3x=-10+x what is x

Luke is three years older than theo. ten years ago he was twice as old as theo. how old is each now?

Write the equation 0.3x2 + 5x - 7 = 0 in general form and then choose the value of "b." opinions are: 5 70 50

What number would you add to the equation below to complete the square? x2 - 13x = 0?

Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. x^2-21=-4x a. 7,3 b. - 7,4 c. 7,-3 d. - 7,-3

What is an equation of a line that has a slope of 4 and a y intercept of - 6

Find the largest value of n such that 3x^2 + nx + 72 can be factored as the product of two linear factors with integer coefficients.

If I did 12x=96 and then of course did 12 divided by 12 to get x by itself, and then I do 12 divided by 96 which is 8, but what would I do if 12 didn't go into 96, (just imagine that it didn't) how would I solve that problem and get a right answer?

A coat that is usually costs 123$ is marked 1/3 off what is the sale price of the coat

Carmen gaetano worked 46 hours during this pay week. he is paid time and a half for hours over 40 and his pay rate is 17.90/hour. what was his overtime premium pay fir this workweek

If curtis can ride his bike at a constant rate of 12 miles per hour how long will it take him to ride his bike 9 miles