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

Think of an animal, and list two resources that it might compete for in its community, Then describe what adaptions the animal has to compete for these resource

What was the Renaissance?

how many fewer 15 to 20 year old drivers were involved in fatal crashes in 2008 than in 1998

Please help with this math question will give BRAINLIEST and 10 points

Many military officers in japan believed japan was destined to dominate _________

which event happened shortly after Abraham Lincoln's election to presidency

what is the distance between the points 4, 9 and 14 , -11

one impact of war on the US during WW2 was that families had to

The vertex of this parabola is at (-3, -2). Which of the following could be its equation? help

Find interest earned and the future value of an annuity with monthly payments of $150 for two years into an account that pays 4% interest per year compounded mo