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

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


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

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

Reorder the terms:
63 + 3 + 21x + x = 11

Combine like terms: 63 + 3 = 66
66 + 21x + x = 11

Combine like terms: 21x + x = 22x
66 + 22x = 11

Solving
66 + 22x = 11

Solving for variable 'x'.

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

Add '-66' to each side of the equation.
66 + -66 + 22x = 11 + -66

Combine like terms: 66 + -66 = 0
0 + 22x = 11 + -66
22x = 11 + -66

Combine like terms: 11 + -66 = -55
22x = -55

Divide each side by '22'.
x = -2.5

Simplifying
x = -2.5

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