21(3+9x)=30

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Solution for 21(3+9x)=30 equation:


Simplifying
21(3 + 9x) = 30
(3 * 21 + 9x * 21) = 30
(63 + 189x) = 30

Solving
63 + 189x = 30

Solving for variable 'x'.

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

Add '-63' to each side of the equation.
63 + -63 + 189x = 30 + -63

Combine like terms: 63 + -63 = 0
0 + 189x = 30 + -63
189x = 30 + -63

Combine like terms: 30 + -63 = -33
189x = -33

Divide each side by '189'.
x = -0.1746031746

Simplifying
x = -0.1746031746

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