villalba201971 villalba201971

02-10-2020
Mathematics

contestada

5x + 7 = 42, Is x = 7 the solution for this equation? Justify your answer for
it is or it is not

Respuesta :

02-10-2020

Answer:

7 is a solution.

Step-by-step explanation:

Step 1: Write equation

5x + 7 = 42

Step 2: Solve for x

Subtract 7 on both sides: 5x = 35
Divide both sides by 5: x =7

Answer Link

ricchad ricchad

02-10-2020

Answer:

x = 7

Step-by-step explanation:

5x + 7 = 42

5x = 42 - 7

x = 35 / 5

x = 7

Answer Link

Otras preguntas

Definition of pediophobia

The current estimate of the number of genes in the human genome is: question 9 answers 1000 24,000 100,000 50,000

What causes the change of seasons on earth? a. the changes in prevailing wind patterns at different latitudes b. the distribution of precipitation influenced

what is always true of a combustion reaction? oxygen gas must be one of the reactants carbon monoxide will be produced the reaction absorbs energy one reactant

what unit is used to measure a car

9 3/4 acres of land are to be divided into lots of at least 2/3 acres each. what is the maximum number of lots that can be created?

which region make up the sun atmosphere?

22. Four years ago, Samantha was three times as old as Danny. Four years fromnow, Samantha will be only twice as old as Danny. How old are they now?

what mass of Hg will occupy a volume of 75.0 mL?

what is the sum of the first five terms of a geometric series with a 1=20 and r=1/4 please help me!!!