2x+8+ 120= 180
Combine like terms so 8+120=128

2x+8+ 120= 180
2x+128=180
-128=-128 ( to both side)
2x= 52 You divide now
2x/2= 52/2
x= 26
There is your answer :)

5 0

3 years ago

What multiply what equals 26 using numbers between 2 and 9?

nignag [31]

There are only 1*26 and 2*13 so there is no answer unless you allow decimals.

8 0

3 years ago

At a college, 71% of courses have final exams and 45% of courses require research papers. Suppose that 26% of courses have a res

Degger [83]

Answer:

.9 or 90%

.1 or 10%

Step-by-step explanation:

E= Exam

P=Paper

E= .71

P= .45

E∩P=.26

A.) E∪P=?

E∪P= E+P-E∩P

.71+.45-.26= .9

B.) E'∩P' = (E∪P)'

(E∪P)' = 1-.9 = .1

3 0

3 years ago

there's some number that if you subtract 15 from it first, and then multiply that total by 7, the result is 28. find the number

yulyashka [42]

(x-15)*7=28

x-15=4

x=19

Final answer: 19

6 0

3 years ago

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