9+7(1+6x)=21

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Solution for 9+7(1+6x)=21 equation:


Simplifying
9 + 7(1 + 6x) = 21
9 + (1 * 7 + 6x * 7) = 21
9 + (7 + 42x) = 21

Combine like terms: 9 + 7 = 16
16 + 42x = 21

Solving
16 + 42x = 21

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 42x = 21 + -16

Combine like terms: 16 + -16 = 0
0 + 42x = 21 + -16
42x = 21 + -16

Combine like terms: 21 + -16 = 5
42x = 5

Divide each side by '42'.
x = 0.119047619

Simplifying
x = 0.119047619

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