Milly wrote the equation 6= -2x-6 What is the value of x ?

Mathematics

1 answer:

Sphinxa [80]3 years ago

6 0

Answer:

x = -6

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

Identify

6 = -2x - 6

Step 2: Solve for x

[Addition Property of Equality] Add 6 on both sides: 12 = -2x
[Division Property of Equality] Divide -2 on both sides: -6 = x
Rewrite: x = -6

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3x + 8y = 12 2x + 2y = 3 Part A: Create an equivalent system of equations by replacing one equation with the sum of that equatio

love history [14]

Ok here is what I think.
Let us first number these statements, as #1, and #2.
First statement: 3x + 8y = 12 (1)
Second Statement: 2x + 2y = 3 (2)
Now, we can work from this.
We want to make one of the equations be equal to 0 so that at the end when we check they can be equal to each other.
Let us use 4.
3x+8y=12 1-8x-8y=-12 2
This gives us:-5x = 0
Now we should try and isolate x so we can substitute it into one of the equations.
We have -5x=0
and x=0
3(0)+8y=12
8y=12
y=12/8
y=3/2
Plug in these new equations
y=3/2 and y=0 into any of the first equations
3x+8y=12 3(0)+8(3/2)= 12 8(3/2)=12 4(3)=12 12=12
Now we know it works, thats our check^^

7 0

3 years ago

Work out

trasher [3.6K]

Answer:

The correct answer is 1.

Step-by-step explanation:

In order to solve the problem $\frac{3}{9}$ + $\frac{2}{3}$ , we need can use two methods.