Solve the equation.-5x + 21 = 2x - 7

A. {3}
B. {4}
C. {-4}
D. {-3}


Answer: B

Mathematics

You might also like to view...

Combine like terms and solve the following equation.66 = - 8s - 3ss = __________

Fill in the blank(s) with the appropriate word(s).

Mathematics

Determine whether the following is always true or not always true. Given reasons for your answers.c(u × v) = cu × cv (any number c)

What will be an ideal response?

Mathematics

Find the equation of the line of best fit from the data in the table. Round the slope and the y-intercept to the nearest hundredth.

A. y = 3.0x + 0.15 B. y = 2.8x C. y = 3.0x D. y = 2.8x + 0.15

Mathematics

Solve the problem.What principal invested at 6%, compounded continuously for 3 years, will yield $1500? Round the answer to two decimal places.

Fill in the blank(s) with the appropriate word(s).

Mathematics