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

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


Simplifying
5x + 7(-6 + -1x) = 4(x + 3)
5x + (-6 * 7 + -1x * 7) = 4(x + 3)
5x + (-42 + -7x) = 4(x + 3)

Reorder the terms:
-42 + 5x + -7x = 4(x + 3)

Combine like terms: 5x + -7x = -2x
-42 + -2x = 4(x + 3)

Reorder the terms:
-42 + -2x = 4(3 + x)
-42 + -2x = (3 * 4 + x * 4)
-42 + -2x = (12 + 4x)

Solving
-42 + -2x = 12 + 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.
-42 + -2x + -4x = 12 + 4x + -4x

Combine like terms: -2x + -4x = -6x
-42 + -6x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
-42 + -6x = 12 + 0
-42 + -6x = 12

Add '42' to each side of the equation.
-42 + 42 + -6x = 12 + 42

Combine like terms: -42 + 42 = 0
0 + -6x = 12 + 42
-6x = 12 + 42

Combine like terms: 12 + 42 = 54
-6x = 54

Divide each side by '-6'.
x = -9

Simplifying
x = -9

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