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 ( 14+ )
Otras preguntas
Need help with number 3
For $7.52 you purchased 8 pens and highlighters from a local bookstore. Each highlighter cost $1.09 and each pen costs $0.69. How many pens did you buy?
urgent math help needed will mark brainliest look at the attached photo for question and answer choices
Mary wanted to determine which type of fertilizer would help her plants grow taller. She got 16 plant pots andd scooped 2 cups of the same type of soil in each.
What is the Harappan Civilazation
Please help I will give brainliest answer!!!!!!
A tree casts a 26-ft shadow. A boy standing nearby casts a 12-ft shadow, forming similar triangles. His height is 4.5 ft. How tall is the tree?
which pharaoh demanded that his people practice a new religion with one, new, all-powerful god?
How do I solve this because I don’t know where to start
if the price of bananas was $2.65 per kg. calculate the percentage change if the price ia now $1.95per kg.
