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Find the lowest common denominator. 1/3 and 5/7 The lowest common denominator is

vagabundo [1.1K]

The lowest common denominator is 21

7 0

3 years ago

-8x+3>27 AND -13x+5>57

Svet_ta [14]

For the first one it is -8>24 that statement is false

For the second one it is x>-4

8 0

4 years ago

Pls help meeeeee it is for monday

JulsSmile [24]

Answer:

parehas Tayo

Step-by-step explanation:

kailangan ko Rin Ng answer

3 0

3 years ago

Solve the inequality for x 3^(6x+18)<27^(3x)

Lera25 [3.4K]

Answer:

$\displaystyle x > 6$

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
Factoring

Algebra II

Exponential Rule [Powering]: $\displaystyle (b^m)^n = b^{m \cdot n}$
Solving exponential equations

Step-by-step explanation:

Step 1: Define

Identify

$\displaystyle 3^{6x + 18} < 27^{3x}$

Step 2: Solve for x

Rewrite: $\displaystyle 3^{6x + 18} < 3^{3(3x)}$
Set: $\displaystyle 6x + 18 < 3(3x)$
Factor: $\displaystyle 3(2x + 6) < 3(3x)$
[Division Property of Equality] Divide 3 on both sides: $\displaystyle 2x + 6 < 3x$
[Subtraction Property of Equality] Subtract 3x on both sides: $\displaystyle -x + 6 < 0$
[Subtraction Property of Equality] Subtract 6 on both sides: $\displaystyle -x < -6$
[Division Property of Equality] Divide -1 on both sides: $\displaystyle x > 6$

8 0

3 years ago

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Simplify 9 - {x - (7 + x)}.

r-ruslan [8.4K]

Let's simplify step-by-step.

9−x−(7+x)

Distribute the Negative Sign:

=9−x+−1(7+x)

=9+−x+(−1)(7)+−1x

=9+−x+−7+−x

Combine Like Terms:

=9+−x+−7+−x

=(−x+−x)+(9+−7)

=−2x+2

Answer:

=−2x+2

6 0

3 years ago

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