31x+14x-29x-9x-x-3=87

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Solution for 31x+14x-29x-9x-x-3=87 equation:


Simplifying
31x + 14x + -29x + -9x + -1x + -3 = 87

Reorder the terms:
-3 + 31x + 14x + -29x + -9x + -1x = 87

Combine like terms: 31x + 14x = 45x
-3 + 45x + -29x + -9x + -1x = 87

Combine like terms: 45x + -29x = 16x
-3 + 16x + -9x + -1x = 87

Combine like terms: 16x + -9x = 7x
-3 + 7x + -1x = 87

Combine like terms: 7x + -1x = 6x
-3 + 6x = 87

Solving
-3 + 6x = 87

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 6x = 87 + 3

Combine like terms: -3 + 3 = 0
0 + 6x = 87 + 3
6x = 87 + 3

Combine like terms: 87 + 3 = 90
6x = 90

Divide each side by '6'.
x = 15

Simplifying
x = 15

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