3(2x+7)=4(7+x)

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Solution for 3(2x+7)=4(7+x) equation:


Simplifying
3(2x + 7) = 4(7 + x)

Reorder the terms:
3(7 + 2x) = 4(7 + x)
(7 * 3 + 2x * 3) = 4(7 + x)
(21 + 6x) = 4(7 + x)
21 + 6x = (7 * 4 + x * 4)
21 + 6x = (28 + 4x)

Solving
21 + 6x = 28 + 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 + 6x + -4x = 28 + 4x + -4x

Combine like terms: 6x + -4x = 2x
21 + 2x = 28 + 4x + -4x

Combine like terms: 4x + -4x = 0
21 + 2x = 28 + 0
21 + 2x = 28

Add '-21' to each side of the equation.
21 + -21 + 2x = 28 + -21

Combine like terms: 21 + -21 = 0
0 + 2x = 28 + -21
2x = 28 + -21

Combine like terms: 28 + -21 = 7
2x = 7

Divide each side by '2'.
x = 3.5

Simplifying
x = 3.5

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