5(x+2)=21

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Solution for 5(x+2)=21 equation: 


Simplifying
5(x + 2) = 21

Reorder the terms:
5(2 + x) = 21
(2 * 5 + x * 5) = 21
(10 + 5x) = 21

Solving
10 + 5x = 21

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 5x = 21 + -10

Combine like terms: 10 + -10 = 0
0 + 5x = 21 + -10
5x = 21 + -10

Combine like terms: 21 + -10 = 11
5x = 11

Divide each side by '5'.
x = 2.2

Simplifying
x = 2.2

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