oofmath oofmath

12-07-2018
Mathematics

contestada

-x+4(x+3)=9 substitution method

Respuesta :

yuumyllo yuumyllo

12-07-2018

-x+4(x+3) = 9

Multiplying...

-x+4x+12=9
So,
3x + 12 = 9

Now, subtract 12 from both sides.

3x + 12 - 12 = 9 - 12
3x = -3

Then, divide by 3.
3x/3 = -3/3
x = -1

Answer Link

Otras preguntas

Briefly explain why the molecular formula of sucrose is not C12H24O12.

In a trapezoid ABCD, AD is parallel to BC , and AD:BC = 2 : 1 . Area of ABCD is 1 square unit. K is the midpoint of segment AC . L is the point of interesection

Factor the following polynomial completely. Once you have found the factors, use the Code Breaker Guide to match the factors to the second piece of the code. 27

Express the fact that x differs from 7 by less than three eighths 3/8 as an inequality involving absolute value. Solve for x.

DUE TONIGHT! 7 POINTS! A purebred, red-eyed female fruit fly is matched with a white-eyed male fruit fly. White eyes are X linked recessive. Part A what perce

DATUK168 : SITUS SLOT GACOR REKOMENDASI INFINI88 HANYA DI DATUK168!

Which of the following is a periapical radiolucency?a. Hypercementosisb. Condensing osteitisc. Periapical cystd. Sclerotic bone

Business law tutoring

Himank as written of following statement in Python, but it is shown as error: X=021 according to you what could be the program?please g

Ordered by most relevant.