7(3x+4)=15x+8

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Solution for 7(3x+4)=15x+8 equation:


Simplifying
7(3x + 4) = 15x + 8

Reorder the terms:
7(4 + 3x) = 15x + 8
(4 * 7 + 3x * 7) = 15x + 8
(28 + 21x) = 15x + 8

Reorder the terms:
28 + 21x = 8 + 15x

Solving
28 + 21x = 8 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
28 + 21x + -15x = 8 + 15x + -15x

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

Combine like terms: 15x + -15x = 0
28 + 6x = 8 + 0
28 + 6x = 8

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

Combine like terms: 28 + -28 = 0
0 + 6x = 8 + -28
6x = 8 + -28

Combine like terms: 8 + -28 = -20
6x = -20

Divide each side by '6'.
x = -3.333333333

Simplifying
x = -3.333333333

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