7-7x=67-21x

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Solution for 7-7x=67-21x equation:


Simplifying
7 + -7x = 67 + -21x

Solving
7 + -7x = 67 + -21x

Solving for variable 'x'.

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

Add '21x' to each side of the equation.
7 + -7x + 21x = 67 + -21x + 21x

Combine like terms: -7x + 21x = 14x
7 + 14x = 67 + -21x + 21x

Combine like terms: -21x + 21x = 0
7 + 14x = 67 + 0
7 + 14x = 67

Add '-7' to each side of the equation.
7 + -7 + 14x = 67 + -7

Combine like terms: 7 + -7 = 0
0 + 14x = 67 + -7
14x = 67 + -7

Combine like terms: 67 + -7 = 60
14x = 60

Divide each side by '14'.
x = 4.285714286

Simplifying
x = 4.285714286

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