mehdichinku mehdichinku

01-02-2016
Mathematics

contestada

If 19 more than 2 times a number is 23, what is the number?

Respuesta :

taskmasters taskmasters

01-02-2016

2 is the unknown number.

Let x be the unknown number.

2x + 19 = 23
2x = 23 - 19
2x = 4
2x/2 = 4/2
x = 2

to check:
2(2) + 19 = 23
4 + 19 = 23
23 = 23

Answer Link

Otras preguntas

Which of the following are examples of trisomy? Turner Syndrome, Down's syndrome, or Klinefelter's Syndrome

An object of mass 2 kg has a linear momentum of magnitude 6 kg • m/s. What is this object’s kinetic energy?

Can someone explain lesson 6.3 math boxes in everyday math regarding the missing numbers on the number lines

given: quadrilateral ABCD with ∠A= ∠C and BD the bisector ∠ABC prove: DB bisects ∠ADC

If 4x+5y=10 and x+3y = 8 then (5x+8y)/3=

Which technological development enabled European navigators to determine their location during the Age of Exploration? (1) lateen sail (2) astrolabe (3) cross

A block of mass 3 kg slides down a frictionless inclined plane of length 6 m and height 4 m. If the block is released from rest at the top of the incline, what

How many prime numbers are there between 56 and 100?

given: quadrilateral ABCD with ∠A= ∠C and BD the bisector ∠ABC prove: DB bisects ∠ADC

Which cells undergo cell division? a. prokaryotic cells only b. eukaryotic cells only c. cancer cells only d. both prokaryotic and eukaryotic cells