2 years ago

What is the answer to the equation 5x+10=25

Mathematics

2 answers:

kow [346]2 years ago

7 0

Answer:

x=7

Step-by-step explanation:

Hatshy [7]2 years ago

6 0

Answer:

x = 3

Step-by-step explanation:

5x+10=25

you want x to be by itself

5x=15

so subtract 10 from both sides

then dived 5 from 15

x=3

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What is the missing value in the proportion 4/5 = x/30?

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Answer:

$\displaystyle x = 24$

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

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{4}{5} = \frac{x}{30}$

Step 2: Solve for x

[Multiplication Property of Equality] Cross-multiply: $\displaystyle 5x = 120$
[Division Property of Equality] Divide 5 on both sides: $\displaystyle x = 24$

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Read 2 more answers