nickel1144
nickel1144
22-10-2016
Mathematics
contestada
-2x + 7(x-7)= -84 What does x equal?
Respuesta :
Аноним
Аноним
22-10-2016
i hope this helps you
-2x+7x-7.7= -84
5x-49= -84
5x= -84+49
5x= -35
x = -7
Answer Link
Amphitrite1040
Amphitrite1040
22-10-2016
-2 × X + 7 × (X - 7) - (-84) = 0
(-2X + 7 × ( X - 7))) - -84 = 0
5X + 35 = 5 × ( X + 7)
5 × ( X + 7) = 0
Solve → 5 =0
X+ 7 = 0
Subtract "7" from both sides of the equation
Final answer
→ "x" = -7
Answer Link
VER TODAS LAS RESPUESTAS ( 46+ )
Otras preguntas
tan ^-1 (square root of 3 over 3)
How many telephone numbers are there in the 509 area code? Telephone numbers may not start with the number 0 or 1. They also must not begin with 911 or 555. Do
( 10 POINTS ) HOMEWORK : Please write me a 25 word gist summary about asexual production include key facts and no more than 25 no less. THANKS PLEASE DONT ANSWE
If arc sq = 92° and arc qr = 86°, what is the measure of ∠rps?
How do you do 71&72? Answers?
what are the prime factors of 625
A museum has a 1/2 ounce piece of a precious metal. When the museum first received the piece, it had a value of $90. Its value has since decreased by 20%. What
where does having clean drinking water present in most difficult problems? a. LDCs (less developed countries) b. MDCs (more developed countries)
write a word problem that can be solved by finding the numbers that have 4 as a factor
¿Cuál no es una de las propiedades del café? a. da sueño c. aroma b. da energía d. sabor
