7(3x+9)=11-(3+3)

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Solution for 7(3x+9)=11-(3+3) equation:


Simplifying
7(3x + 9) = 11 + -1(3 + 3)

Reorder the terms:
7(9 + 3x) = 11 + -1(3 + 3)
(9 * 7 + 3x * 7) = 11 + -1(3 + 3)
(63 + 21x) = 11 + -1(3 + 3)

Combine like terms: 3 + 3 = 6
63 + 21x = 11 + -1(6)

Multiply -1 * 6
63 + 21x = 11 + -6

Combine like terms: 11 + -6 = 5
63 + 21x = 5

Solving
63 + 21x = 5

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 + 21x = 5 + -63

Combine like terms: 63 + -63 = 0
0 + 21x = 5 + -63
21x = 5 + -63

Combine like terms: 5 + -63 = -58
21x = -58

Divide each side by '21'.
x = -2.761904762

Simplifying
x = -2.761904762

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