4x+6-21x=90

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Solution for 4x+6-21x=90 equation:


Simplifying
4x + 6 + -21x = 90

Reorder the terms:
6 + 4x + -21x = 90

Combine like terms: 4x + -21x = -17x
6 + -17x = 90

Solving
6 + -17x = 90

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + -17x = 90 + -6

Combine like terms: 6 + -6 = 0
0 + -17x = 90 + -6
-17x = 90 + -6

Combine like terms: 90 + -6 = 84
-17x = 84

Divide each side by '-17'.
x = -4.941176471

Simplifying
x = -4.941176471

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