2x+7x-7+8=25

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Solution for 2x+7x-7+8=25 equation:


Simplifying
2x + 7x + -7 + 8 = 25

Reorder the terms:
-7 + 8 + 2x + 7x = 25

Combine like terms: -7 + 8 = 1
1 + 2x + 7x = 25

Combine like terms: 2x + 7x = 9x
1 + 9x = 25

Solving
1 + 9x = 25

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 9x = 25 + -1

Combine like terms: 1 + -1 = 0
0 + 9x = 25 + -1
9x = 25 + -1

Combine like terms: 25 + -1 = 24
9x = 24

Divide each side by '9'.
x = 2.666666667

Simplifying
x = 2.666666667

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