3(100-7x)=x-66

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Solution for 3(100-7x)=x-66 equation:


Simplifying
3(100 + -7x) = x + -66
(100 * 3 + -7x * 3) = x + -66
(300 + -21x) = x + -66

Reorder the terms:
300 + -21x = -66 + x

Solving
300 + -21x = -66 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
300 + -21x + -1x = -66 + x + -1x

Combine like terms: -21x + -1x = -22x
300 + -22x = -66 + x + -1x

Combine like terms: x + -1x = 0
300 + -22x = -66 + 0
300 + -22x = -66

Add '-300' to each side of the equation.
300 + -300 + -22x = -66 + -300

Combine like terms: 300 + -300 = 0
0 + -22x = -66 + -300
-22x = -66 + -300

Combine like terms: -66 + -300 = -366
-22x = -366

Divide each side by '-22'.
x = 16.63636364

Simplifying
x = 16.63636364

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