X-1(-1)+X=10

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Solution for X-1(-1)+X=10 equation:


Simplifying
X + -1(-1) + X = 10

Multiply -1 * -1
X + 1 + X = 10

Reorder the terms:
1 + X + X = 10

Combine like terms: X + X = 2X
1 + 2X = 10

Solving
1 + 2X = 10

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 + 2X = 10 + -1

Combine like terms: 1 + -1 = 0
0 + 2X = 10 + -1
2X = 10 + -1

Combine like terms: 10 + -1 = 9
2X = 9

Divide each side by '2'.
X = 4.5

Simplifying
X = 4.5

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