5(x+9)+6=21

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Solution for 5(x+9)+6=21 equation:


Simplifying
5(x + 9) + 6 = 21

Reorder the terms:
5(9 + x) + 6 = 21
(9 * 5 + x * 5) + 6 = 21
(45 + 5x) + 6 = 21

Reorder the terms:
45 + 6 + 5x = 21

Combine like terms: 45 + 6 = 51
51 + 5x = 21

Solving
51 + 5x = 21

Solving for variable 'x'.

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

Add '-51' to each side of the equation.
51 + -51 + 5x = 21 + -51

Combine like terms: 51 + -51 = 0
0 + 5x = 21 + -51
5x = 21 + -51

Combine like terms: 21 + -51 = -30
5x = -30

Divide each side by '5'.
x = -6

Simplifying
x = -6

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