30+7(3-2x)=21-8x

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Solution for 30+7(3-2x)=21-8x equation:


Simplifying
30 + 7(3 + -2x) = 21 + -8x
30 + (3 * 7 + -2x * 7) = 21 + -8x
30 + (21 + -14x) = 21 + -8x

Combine like terms: 30 + 21 = 51
51 + -14x = 21 + -8x

Solving
51 + -14x = 21 + -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.
51 + -14x + 8x = 21 + -8x + 8x

Combine like terms: -14x + 8x = -6x
51 + -6x = 21 + -8x + 8x

Combine like terms: -8x + 8x = 0
51 + -6x = 21 + 0
51 + -6x = 21

Add '-51' to each side of the equation.
51 + -51 + -6x = 21 + -51

Combine like terms: 51 + -51 = 0
0 + -6x = 21 + -51
-6x = 21 + -51

Combine like terms: 21 + -51 = -30
-6x = -30

Divide each side by '-6'.
x = 5

Simplifying
x = 5

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