Respuesta :

Answer:

y=5

Step-by-step explanation:

2y+8=18

2y=10

y=5

The value y is 5.

What is equation?

Equation is the defined as mathematical statements that have a minimum of two terms containing variables or numbers is equal.

What are Arithmetic operations?

Arithmetic operations can also be specified by the subtract, divide, and multiply built-in functions.

The operator that perform arithmetic operation are called arithmetic operators .

Operators which let do basic mathematical calculations

+ Addition operation : Adds values on either side of the operator.

For example 4 + 2 = 6

- Subtraction operation : Subtracts right hand operand from left hand operand.

for example 4 -2 = 2

* Multiplication operation : Multiplies values on either side of the operator

For example 4*2 = 8

/ Division operation : Divides left hand operand by right hand operand

For example 4/2 = 2

Given equation as:

⇒ 2y + 8 = 18

Substract from 8 both the sides of equation,

⇒ 2y + 8 - 8 = 18 - 8

⇒ 2y = 10

Divided by 2 both the sides of equation,

⇒ y = 5

Hence, the value y is 5.

Learn more about equation here:

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