3 years ago

3x−8−12x=42 what is x?

Mathematics

1 answer:

MA_775_DIABLO [31]3 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

Will mark brainliest if CORRECT

Annette [7]

Answer:

For every 7 hair bands there will be 4 ribbons

7 hair bands →→ 4 ribbons

14 hair bands →→ 8 ribbons

21 hair bands →→ 12 ribbons

etc.

6 0

3 years ago

What is the equation, in slope-intercept form, of the line

Roman55 [17]

Y= 1/8 x + 10

You do 8-11/-16-8= -3/-24= 1/8 that’s your slope

Then to get y intercept you plug in ur slope and coordinates of (8,11) into point slope form. And you get that the y intercept is 10.

7 0

2 years ago

Is x + y = 18 linear or non linear?

r-ruslan [8.4K]

A linear equation has 1 for all exponents on the placeholders
aka the equation is first degree (aka the hightest exponent on placeholders=1) so
it is linear

7 0

3 years ago

Read 2 more answers

What is 3 to the 4th power in standard form

nika2105 [10]

Answer:

81, i think.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

You need 150 g of flour for 12 cakes. How much flour do you need for 30 cakes?