-7(3x-9)+4=-21x+67

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Solution for -7(3x-9)+4=-21x+67 equation:


Simplifying
-7(3x + -9) + 4 = -21x + 67

Reorder the terms:
-7(-9 + 3x) + 4 = -21x + 67
(-9 * -7 + 3x * -7) + 4 = -21x + 67
(63 + -21x) + 4 = -21x + 67

Reorder the terms:
63 + 4 + -21x = -21x + 67

Combine like terms: 63 + 4 = 67
67 + -21x = -21x + 67

Reorder the terms:
67 + -21x = 67 + -21x

Add '-67' to each side of the equation.
67 + -67 + -21x = 67 + -67 + -21x

Combine like terms: 67 + -67 = 0
0 + -21x = 67 + -67 + -21x
-21x = 67 + -67 + -21x

Combine like terms: 67 + -67 = 0
-21x = 0 + -21x
-21x = -21x

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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