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Sladkaya [172]
3 years ago
14

How do i do 5(x-3)=45

Mathematics
1 answer:
Nady [450]3 years ago
7 0

Answer:

Step-by-step explanation:

Simplifying

5(x + 3) = 45

Reorder the terms:

5(3 + x) = 45

(3 * 5 + x * 5) = 45

(15 + 5x) = 45

Solving

15 + 5x = 45

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15' to each side of the equation.

15 + -15 + 5x = 45 + -15

Combine like terms: 15 + -15 = 0

0 + 5x = 45 + -15

5x = 45 + -15

Combine like terms: 45 + -15 = 30

5x = 30

Divide each side by '5'.

x = 6

Simplifying

x = 6

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