Seudónimo Seudónimo

01-01-2017
Mathematics

contestada

solve the equation 4x – 9 = 11 for x.

Respuesta :

royalranger royalranger

01-01-2017

4x - 9 = 11
4x = 20
x = 5

Answer Link

apologiabiology apologiabiology

01-01-2017

remember: you can do ANYTHING to an equation as long as you do it to both sides

4x-9=11
add 9 to BOTH SIDES
4x+9-9=11+9
4x+0=20
4x=20
divide both sides by 4
(4x)/4=20/4
(4/4)x=5
1x=5
x=5

Answer Link

Otras preguntas

is what a drug does to your body. O a) Irrigation b) Pharmacodynamics c) Excretion d) Pharmacokinetics

If carina can ride her bike at a speed of 7 mph, it will take her 3 hours to travel 21 miles. True or false?

in a box of 80 glasses,3 are broken.workout percentage of broken glasses

Solve for x Round to the nearest tenth, if necessary.

a polynomial has been factored below but some constants are missing. 2x^3-8x^2-24x=ax(x+b)(x+c)

I need help I need help

In the sample business framework, this question reflects your revenue stream: How much will you make? What will it cost? What do you need? How do you do it?

can you do LCM in division method of 550,750,900 plzz

Mid/-hill Highway construction project will be the milestone for the economic growth of the country. Justify.

In a class, students can complete extra-credit assignments for either 7 points or 12 points. Each student can complete at most four of the 7-point assignments a