AyanahV104385 AyanahV104385
  • 25-10-2022
  • Mathematics
contestada

what is the value of a in the equation 5a – 10b = 45, when b =3?a)3b)15c)21d)39

Respuesta :

AbrinaG10198 AbrinaG10198
  • 25-10-2022

SOLUTION

Given the question, the following are the solution steps to answer the question.

STEP 1: Write the given equation

[tex]5a-10b=45[/tex]

STEP 2: Substitute 3 for b in the equation

[tex]5a-10(3)=45[/tex]

STEP 3: Simplify the equation to solve for a

[tex]\begin{gathered} 5a-30=45 \\ 5a=45+30 \\ 5a=75 \\ a=\frac{75}{5} \\ a=15 \end{gathered}[/tex]

Hence, the value of a is 15

Answer Link

Otras preguntas

Which ordered pair is a solution to the system of equations? Use any method to solve. 2x-y=5 3x+2y=4
Which term can be defined as "rule by a few individuals"? A. democracy B. monarchy C. anarchy D. aristocracy Unsubscribe · Rep
What is the equation of the line, in standard form, that passes through (4, -3) and is parallel to the line whose equation is 4x + y - 2 = 0?
what is the capital of austrialia
sin 86° > sin 58° is it true or false
Don't know how to do the math
What is the charge of the nucleus
What was the effect of the 14th Amendment?
“Look here, father, I want to know what the men are diggin’ over in the field for, an’ I’m goin’ to know.” “I wish you’d go into the house, mother, an’ tend to
The equation of a conic section is 2y2 – x – 8y + 5 = 0. What is the equation in graphing form?