yasso
yasso
20-09-2017
Mathematics
contestada
6a+3a-4a=21 (please solve)
Respuesta :
apologiabiology
apologiabiology
20-09-2017
remember, you can do anything to an equation as long as you do it to both sides
6a+3a-4a=21
add like terms
6+3=9, and 9-4=5
5a=21
divide both sides by 5
[tex]a=\frac{21}{5}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 93+ )
Otras preguntas
Which of the following occurred after Allied forces invaded the Italian mainland in September 1943? a, German forces retreated from Italy. b. Axis forces repe
Choose the correct pronoun Cora handed Tom and I/me the employment applications please answer as quick as possible!
A 7-foot ladder is leaned against a building in such a way that the bottom of the ladder is 4 feet from the base of the wall. Find the angle formed between the
The perimeter of a triangle is 199 inches. If one side of the triangle is six more than the shorter side, and the longer side is 19 more than the shorter side,
-6n-20=-2n+4 (1-3n) how do you solve it?
A _____________ is the lawmaking body of two houses. unicameral legislature tricameral legislature franking privilege bicameral legislature
A _____________ is the lawmaking body of two houses. unicameral legislature tricameral legislature franking privilege bicameral legislature
Which one of the following sentences contains an unnecessary colon? a. Carlos has three goals in life: to graduate from college, own his own home, and work in
a catering service offers 6 appetizers, 10 main courses, and 8 desserts. A banquet committee is to select 2 appetizers, 3 main courses and 2 desserts. How many
The curve through the ordered pairs (0, 10), (1, 5), and (2, 2.5) can be represented by the function f(x) = 10(0.5)x. What is the multiplicative rate of change
