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

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


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

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

Reorder the terms for easier multiplication:
2(4 + 3x) = 7(3x + 4)
(4 * 2 + 3x * 2) = 7(3x + 4)
(8 + 6x) = 7(3x + 4)

Reorder the terms:
8 + 6x = 7(4 + 3x)
8 + 6x = (4 * 7 + 3x * 7)
8 + 6x = (28 + 21x)

Solving
8 + 6x = 28 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
8 + 6x + -21x = 28 + 21x + -21x

Combine like terms: 6x + -21x = -15x
8 + -15x = 28 + 21x + -21x

Combine like terms: 21x + -21x = 0
8 + -15x = 28 + 0
8 + -15x = 28

Add '-8' to each side of the equation.
8 + -8 + -15x = 28 + -8

Combine like terms: 8 + -8 = 0
0 + -15x = 28 + -8
-15x = 28 + -8

Combine like terms: 28 + -8 = 20
-15x = 20

Divide each side by '-15'.
x = -1.333333333

Simplifying
x = -1.333333333

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