3x+1=21x+72x+7

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Solution for 3x+1=21x+72x+7 equation:


Simplifying
3x + 1 = 21x + 72x + 7

Reorder the terms:
1 + 3x = 21x + 72x + 7

Reorder the terms:
1 + 3x = 7 + 21x + 72x

Combine like terms: 21x + 72x = 93x
1 + 3x = 7 + 93x

Solving
1 + 3x = 7 + 93x

Solving for variable 'x'.

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

Add '-93x' to each side of the equation.
1 + 3x + -93x = 7 + 93x + -93x

Combine like terms: 3x + -93x = -90x
1 + -90x = 7 + 93x + -93x

Combine like terms: 93x + -93x = 0
1 + -90x = 7 + 0
1 + -90x = 7

Add '-1' to each side of the equation.
1 + -1 + -90x = 7 + -1

Combine like terms: 1 + -1 = 0
0 + -90x = 7 + -1
-90x = 7 + -1

Combine like terms: 7 + -1 = 6
-90x = 6

Divide each side by '-90'.
x = -0.06666666667

Simplifying
x = -0.06666666667

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