3(7+x)-5=28

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Solution for 3(7+x)-5=28 equation:


Simplifying
3(7 + x) + -5 = 28
(7 * 3 + x * 3) + -5 = 28
(21 + 3x) + -5 = 28

Reorder the terms:
21 + -5 + 3x = 28

Combine like terms: 21 + -5 = 16
16 + 3x = 28

Solving
16 + 3x = 28

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 3x = 28 + -16

Combine like terms: 16 + -16 = 0
0 + 3x = 28 + -16
3x = 28 + -16

Combine like terms: 28 + -16 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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