jonesjazzmyne1 jonesjazzmyne1

13-06-2020
Mathematics

contestada

Explain why this statement is true:
7a +4 – 2a = 7a + (-20)+4

Respuesta :

SvetkaChem SvetkaChem

13-06-2020

Answer:

This equation has one solution so given statement is true.

Step-by-step explanation:

7a +4 – 2a = 7a + (-20)+4

5a + 4 = 7a - 16

5a - 7a = -16 - 4

- 2a = - 20

a = 10

This equation has one solution so given statement is true.

Answer Link

Otras preguntas

4x-12=24 how would this be solved

Perform the indicated operation and write the result in standard form. √-4-√-16

Fill in the missing term in the equation

Divide (- 6 + i)/(1 - 2i) =

what is the best answer if your crush ask you how much you love her/him?

Evaluate : ( 55 -15 ) x [10 + 32 + { 8 – 1 + 3 }]. For 6th grade simple please!!!

How many moles of MgCl₂ are produced if 14 moles of HCl are reacted according to the following equation? Mg + 2 HCl → MgCl₂ + H₂

what decimal fraction of 200g of 1kg

How did an American middle class develop as a result of the Market Revolution? (Select all that apply.) A) Factories could produce more goods cheaply. B)Working

3. Provide an example of the possible negative outcome of a healthcare provider who makes a patient care decision based on information related to a personal hea