4x-3*7x-4=12

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Solution for 4x-3*7x-4=12 equation:


Simplifying
4x + -3 * 7x + -4 = 12

Multiply -3 * 7
4x + -21x + -4 = 12

Reorder the terms:
-4 + 4x + -21x = 12

Combine like terms: 4x + -21x = -17x
-4 + -17x = 12

Solving
-4 + -17x = 12

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -17x = 12 + 4

Combine like terms: -4 + 4 = 0
0 + -17x = 12 + 4
-17x = 12 + 4

Combine like terms: 12 + 4 = 16
-17x = 16

Divide each side by '-17'.
x = -0.9411764706

Simplifying
x = -0.9411764706

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