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

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


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

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

Combine like terms: 3x + 6x = 9x
-4 = 21 + 9x

Solving
-4 = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-4 + -9x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
-4 + -9x = 21 + 0
-4 + -9x = 21

Add '4' to each side of the equation.
-4 + 4 + -9x = 21 + 4

Combine like terms: -4 + 4 = 0
0 + -9x = 21 + 4
-9x = 21 + 4

Combine like terms: 21 + 4 = 25
-9x = 25

Divide each side by '-9'.
x = -2.777777778

Simplifying
x = -2.777777778

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