3(7+x)=4x+16

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Solution for 3(7+x)=4x+16 equation:


Simplifying
3(7 + x) = 4x + 16
(7 * 3 + x * 3) = 4x + 16
(21 + 3x) = 4x + 16

Reorder the terms:
21 + 3x = 16 + 4x

Solving
21 + 3x = 16 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
21 + 3x + -4x = 16 + 4x + -4x

Combine like terms: 3x + -4x = -1x
21 + -1x = 16 + 4x + -4x

Combine like terms: 4x + -4x = 0
21 + -1x = 16 + 0
21 + -1x = 16

Add '-21' to each side of the equation.
21 + -21 + -1x = 16 + -21

Combine like terms: 21 + -21 = 0
0 + -1x = 16 + -21
-1x = 16 + -21

Combine like terms: 16 + -21 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5

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