7+7x-21x=17-4x

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Solution for 7+7x-21x=17-4x equation:


Simplifying
7 + 7x + -21x = 17 + -4x

Combine like terms: 7x + -21x = -14x
7 + -14x = 17 + -4x

Solving
7 + -14x = 17 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
7 + -14x + 4x = 17 + -4x + 4x

Combine like terms: -14x + 4x = -10x
7 + -10x = 17 + -4x + 4x

Combine like terms: -4x + 4x = 0
7 + -10x = 17 + 0
7 + -10x = 17

Add '-7' to each side of the equation.
7 + -7 + -10x = 17 + -7

Combine like terms: 7 + -7 = 0
0 + -10x = 17 + -7
-10x = 17 + -7

Combine like terms: 17 + -7 = 10
-10x = 10

Divide each side by '-10'.
x = -1

Simplifying
x = -1

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