3x+7(-3x-7)=-64-3x

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Solution for 3x+7(-3x-7)=-64-3x equation:


Simplifying
3x + 7(-3x + -7) = -64 + -3x

Reorder the terms:
3x + 7(-7 + -3x) = -64 + -3x
3x + (-7 * 7 + -3x * 7) = -64 + -3x
3x + (-49 + -21x) = -64 + -3x

Reorder the terms:
-49 + 3x + -21x = -64 + -3x

Combine like terms: 3x + -21x = -18x
-49 + -18x = -64 + -3x

Solving
-49 + -18x = -64 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-49 + -18x + 3x = -64 + -3x + 3x

Combine like terms: -18x + 3x = -15x
-49 + -15x = -64 + -3x + 3x

Combine like terms: -3x + 3x = 0
-49 + -15x = -64 + 0
-49 + -15x = -64

Add '49' to each side of the equation.
-49 + 49 + -15x = -64 + 49

Combine like terms: -49 + 49 = 0
0 + -15x = -64 + 49
-15x = -64 + 49

Combine like terms: -64 + 49 = -15
-15x = -15

Divide each side by '-15'.
x = 1

Simplifying
x = 1

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