Question

3(x-4)=21 solve the given linear equation ​

Answer 1

Answer:

3x-12=21

3x=12+21

3x=33

X=11

Answer 2

Answer:

x = 11

Step-by-step explanation:

Multiply 3 with the terms inside the bracket

3( x - 4 ) = 21

( x * 3 - 4 * 3 ) = 21

( 3x - 12 ) = 21

Solving

3x - 12 = 21

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

3x = 21 + 12

3x =  33

Divide each side by '3' to get the answer for x.

x = 11

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