samone26 samone26

26-05-2019
Mathematics

contestada

How do I solve this step by step

How do I solve this step by step class=

Respuesta :

maquenzie maquenzie

26-05-2019

Answer:

23

Step-by-step explanation:

1. (x + 7) + (3x - 9) = 90

x + 7 + 3x - 9 = 90

4x - 2 = 90

4x = 92

x = 23

Answer Link

Otras preguntas

when it is winter in europe, what season is it in asia and why?

Can someone please answer this

What is the algebraic expression for this story problem?A tank is filling with water from a natural spring well. Two days ago the water was 10 feet deep, and ye

why is it important to know your variables when conducting an investigatory problem ?

what is a 1/4 of ?/100

Can someone please answer this

What are the advantages and disadvantages of DNA foresics/analysis?

Hey there this is Japanese What is the meaning of :1) sugoi2) takai

How much less than 1 is 3/9? Is the answer to this question 1/3???

.MOV' extension refers usually to what kind of file?