3x+5=7+21

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Solution for 3x+5=7+21 equation:


Simplifying
3x + 5 = 7 + 21

Reorder the terms:
5 + 3x = 7 + 21

Combine like terms: 7 + 21 = 28
5 + 3x = 28

Solving
5 + 3x = 28

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 3x = 28 + -5

Combine like terms: 5 + -5 = 0
0 + 3x = 28 + -5
3x = 28 + -5

Combine like terms: 28 + -5 = 23
3x = 23

Divide each side by '3'.
x = 7.666666667

Simplifying
x = 7.666666667

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