7x+3(5x+3)=-123

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Solution for 7x+3(5x+3)=-123 equation:


Simplifying
7x + 3(5x + 3) = -123

Reorder the terms:
7x + 3(3 + 5x) = -123
7x + (3 * 3 + 5x * 3) = -123
7x + (9 + 15x) = -123

Reorder the terms:
9 + 7x + 15x = -123

Combine like terms: 7x + 15x = 22x
9 + 22x = -123

Solving
9 + 22x = -123

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 22x = -123 + -9

Combine like terms: 9 + -9 = 0
0 + 22x = -123 + -9
22x = -123 + -9

Combine like terms: -123 + -9 = -132
22x = -132

Divide each side by '22'.
x = -6

Simplifying
x = -6

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