x+2x+(-1)=2(-1)+4

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Solution for x+2x+(-1)=2(-1)+4 equation:


Simplifying
x + 2x + (-1) = 2(-1) + 4
x + 2x + -1 = 2(-1) + 4

Reorder the terms:
-1 + x + 2x = 2(-1) + 4

Combine like terms: x + 2x = 3x
-1 + 3x = 2(-1) + 4

Multiply 2 * -1
-1 + 3x = -2 + 4

Combine like terms: -2 + 4 = 2
-1 + 3x = 2

Solving
-1 + 3x = 2

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 + 3x = 2 + 1

Combine like terms: -1 + 1 = 0
0 + 3x = 2 + 1
3x = 2 + 1

Combine like terms: 2 + 1 = 3
3x = 3

Divide each side by '3'.
x = 1

Simplifying
x = 1

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