2 years ago

3x−8−12x=42 what is x?

Mathematics

1 answer:

MA_775_DIABLO [31]2 years ago

3 0

Answer:

x = -50/9

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Step-by-step explanation:

Step 1: Define equation

3x - 8 - 12x = 42

Step 2: Solve for x

Combine like terms: -9x - 8 = 42
Isolate x term: -9x = 50
Isolate x: x = -50/9

You might be interested in

Lnes made9 necklaces with 60 beads on each necklaces. How many beads did she use in all

Gala2k [10]

Made 9 necklaces.
60 beads per necklace.
How many beads for all the 9 necklaces?

60 × 9 = 540

9 necklaces = 540 beads

3 0

2 years ago

cavalieri's principle states that two solids with equal height and base areas but different cross-sectional areas have equal vol

Ad libitum [116K]

Answer:

Option B False

Step-by-step explanation:

we know that

The Cavalieri's principle states that if two or more figures have the same cross-sectional area at every level and the same height, then the figures have the same volume

therefore

The cross-sectional area at every level must be the same

The statement is False

5 0

2 years ago

Read 2 more answers

If f(x)=3x+10x and g(x)=5x-3, find (f-g)(x)

Sphinxa [80]

$f(x) = 13x\\g(x) = 5x - 3\\f(g(x)) = 13(5x-3)\\f(g(x)) = 65x - 39$

6 0

2 years ago

Read 2 more answers

(3x²+4x-1)+(-2x²-3x+2)

Troyanec [42]

Answer:

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

24 and 25 thanksssssss

german

24:D
25:C
you’re welcome

6 0

2 years ago