3(7x+9)-10=-25

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Solution for 3(7x+9)-10=-25 equation:


Simplifying
3(7x + 9) + -10 = -25

Reorder the terms:
3(9 + 7x) + -10 = -25
(9 * 3 + 7x * 3) + -10 = -25
(27 + 21x) + -10 = -25

Reorder the terms:
27 + -10 + 21x = -25

Combine like terms: 27 + -10 = 17
17 + 21x = -25

Solving
17 + 21x = -25

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + 21x = -25 + -17

Combine like terms: 17 + -17 = 0
0 + 21x = -25 + -17
21x = -25 + -17

Combine like terms: -25 + -17 = -42
21x = -42

Divide each side by '21'.
x = -2

Simplifying
x = -2

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