7+6x-4=3(5x+7)

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Solution for 7+6x-4=3(5x+7) equation: 


Simplifying
7 + 6x + -4 = 3(5x + 7)

Reorder the terms:
7 + -4 + 6x = 3(5x + 7)

Combine like terms: 7 + -4 = 3
3 + 6x = 3(5x + 7)

Reorder the terms:
3 + 6x = 3(7 + 5x)
3 + 6x = (7 * 3 + 5x * 3)
3 + 6x = (21 + 15x)

Solving
3 + 6x = 21 + 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.
3 + 6x + -15x = 21 + 15x + -15x

Combine like terms: 6x + -15x = -9x
3 + -9x = 21 + 15x + -15x

Combine like terms: 15x + -15x = 0
3 + -9x = 21 + 0
3 + -9x = 21

Add '-3' to each side of the equation.
3 + -3 + -9x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + -9x = 21 + -3
-9x = 21 + -3

Combine like terms: 21 + -3 = 18
-9x = 18

Divide each side by '-9'.
x = -2

Simplifying
x = -2

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