soccerjulie soccerjulie

02-11-2020
Mathematics

contestada

Three times a number minus ten is equal to the sum of twice the same number and five.
3x-10=2x+5
A. -5
B. -1
C. 3
D. 15

Respuesta :

arodri04 arodri04

02-11-2020

Answer:

D. 15

Step-by-step explanation:

3x-10=2x+5

to solve subtract 2x from both sides

(3x - 2x) - 10 = 2x + 5 - 2x

add 10 to both sides

x -10 + 10 = 5 + 10

x = 15

Answer Link

Otras preguntas

Plz Help!! True or False Nations from Central Europe and Eastern Europe are part the European Union

which kind of complement is the word in bold? Betty White is a famous star ( star is bolded) Predicate Adjective Predicate Nominative Indirect Object Direct Ob

Maps are intended to show spatial distributions should be based on projections that

Note cards should be coded or numbered based on

How did the 19th Amendment change the voting system in the United States?

Jose wants to purchase a bike that normally sells for $150. If the bike is on sale for 30% off, how much will he pay before tax?

_______ is the radioisotope commonly used to map a human's circulatory system. A. Technetium-99m B. Carbon-14 C. Iron-59 D. Cobalt-60

Rock that is cooled and solidified above ground is called: a.intrusive. b.extrusive. c.batholith. d.laccolith.

what is the y-intercept of the linear equation y=5x+7

Which of the following statements describes the movement of air? A. From high pressure to low pressure B. From north to south C. From low pressure to high press