3(x+5)=21+4

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Solution for 3(x+5)=21+4 equation:


Simplifying
3(x + 5) = 21 + 4

Reorder the terms:
3(5 + x) = 21 + 4
(5 * 3 + x * 3) = 21 + 4
(15 + 3x) = 21 + 4

Combine like terms: 21 + 4 = 25
15 + 3x = 25

Solving
15 + 3x = 25

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 3x = 25 + -15

Combine like terms: 15 + -15 = 0
0 + 3x = 25 + -15
3x = 25 + -15

Combine like terms: 25 + -15 = 10
3x = 10

Divide each side by '3'.
x = 3.333333333

Simplifying
x = 3.333333333

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