7x-(3x+6)=30-8x

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Solution for 7x-(3x+6)=30-8x equation:


Simplifying
7x + -1(3x + 6) = 30 + -8x

Reorder the terms:
7x + -1(6 + 3x) = 30 + -8x
7x + (6 * -1 + 3x * -1) = 30 + -8x
7x + (-6 + -3x) = 30 + -8x

Reorder the terms:
-6 + 7x + -3x = 30 + -8x

Combine like terms: 7x + -3x = 4x
-6 + 4x = 30 + -8x

Solving
-6 + 4x = 30 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-6 + 4x + 8x = 30 + -8x + 8x

Combine like terms: 4x + 8x = 12x
-6 + 12x = 30 + -8x + 8x

Combine like terms: -8x + 8x = 0
-6 + 12x = 30 + 0
-6 + 12x = 30

Add '6' to each side of the equation.
-6 + 6 + 12x = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 12x = 30 + 6
12x = 30 + 6

Combine like terms: 30 + 6 = 36
12x = 36

Divide each side by '12'.
x = 3

Simplifying
x = 3

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