5(x+4)=21

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Solution for 5(x+4)=21 equation:


Simplifying
5(x + 4) = 21

Reorder the terms:
5(4 + x) = 21
(4 * 5 + x * 5) = 21
(20 + 5x) = 21

Solving
20 + 5x = 21

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 5x = 21 + -20

Combine like terms: 20 + -20 = 0
0 + 5x = 21 + -20
5x = 21 + -20

Combine like terms: 21 + -20 = 1
5x = 1

Divide each side by '5'.
x = 0.2

Simplifying
x = 0.2

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