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

help me pls i dont understand it

Find the reciprocal of the sum of the reciprocals of 1/-5 and -1/6

a prescriber has ordered childrens motrin 400 mg po q6h for a child who weighs 60 kg. how many mg/kg is the child receiving

Fossil evidence has been used to understand the movement of continental plates. The figure below shows where fossils of several species have been found. How wo

Question A right triangle is removed from a rectangle to create the shaded region shown below. Find the area of the shaded region. Be sure to include the correc

decrease 2155.45 by 18.5 round 2dp

Can someone help me please

Given circle with radius of 5cm. Find out (a) diameter (b) perimeter (c) area

Given: ∠T ≅ ∠V; ST || UV Prove: TU || VW 4 connected lines are shown. A line from point S goes slightly down and to the left to point T to form S T. A line from

Question 2(Multiple Choice Worth 4 points) If (89)P=818, what is the value of p? 02 09 10 18