MarshallBruceMathers
MarshallBruceMathers MarshallBruceMathers
  • 18-09-2017
  • Mathematics
contestada

Simplify 12 + 3(2x - 3) + 4.
6x - 3
6x + 7
6x + 13

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 18-09-2017

12 +3(2x-3) +4

 multiply 3 by 2x and by -3

12 +6x -9 +4

6x+7

Answer Link
apologiabiology
apologiabiology apologiabiology
  • 18-09-2017
remember the distributive property
a(b+c)=ab+ac
and commutative property
a+b=b+a
so

distribute first

3(2x-3)=3(2x)+3(-3)=6x-9

now we have
12+6x-9+4
move like terms together
6x+12-9+4
add like terms
6x+7


the answer is 6x+7
Answer Link

Otras preguntas

How to find next number in this sequence. 2,7,26,101,400?
what is the slope of 1.)13x-11y=-122.)9x-7y=-7
is BH2F a gas or a liquid and what is the boiling point
what did the national anthem urge the french to do?
what characteristic do most aquatic plants have in common? A) stems with lots of thorns to fight off predator B) Can survive without sunlight C) Can survive wit
What is an equivalent fraction for 4 21/4
The product of two consecutive positive integers is 27 more than 5 times the larger
5/12+2/9+1/6 adding fractions
how to graph the equation y=1/4x-6
Why were roads significant to the roman republic and ancient cultures and religions of the same time period