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Maths-

General

Easy

Question

5(x − 3) = (10x + 5)
What value of x satisfies the equation above?

− 4
1
5
15

The correct answer is: − 4

Step by step explanation:
Given:
Expression: 5(x − 3) = (10x + 5)
Step 1:
Simplify the expression.
∴ 5(x − 3) = (10x + 5)
⇒ 5x - 15 = 10x + 5
Step 2:
Group the like terms.
⇒ (5x - 10x) = (15 + 5)
Step 3:
Perform simple addition of like terms
⇒ - 5x = 20
Step 4:
Divide both side by - 5
$fraction numerator negative 5 x over denominator negative 5 end fraction equals fraction numerator 20 over denominator negative 5 end fraction$
⇒ x = - 4
∴ x = - 4
Hence, the value of x which satisfies the equation is - 4.

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