2x+(-x)+1=3(-x)+8

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Solution for 2x+(-x)+1=3(-x)+8 equation:


Simplifying
2x + (-1x) + 1 = 3(-1x) + 8

Reorder the terms:
1 + 2x + (-1x) = 3(-1x) + 8

Combine like terms: 2x + (-1x) = 1x
1 + 1x = 3(-1x) + 8

Remove parenthesis around (-1x)
1 + 1x = 3 * -1x + 8

Multiply 3 * -1
1 + 1x = -3x + 8

Reorder the terms:
1 + 1x = 8 + -3x

Solving
1 + 1x = 8 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
1 + 1x + 3x = 8 + -3x + 3x

Combine like terms: 1x + 3x = 4x
1 + 4x = 8 + -3x + 3x

Combine like terms: -3x + 3x = 0
1 + 4x = 8 + 0
1 + 4x = 8

Add '-1' to each side of the equation.
1 + -1 + 4x = 8 + -1

Combine like terms: 1 + -1 = 0
0 + 4x = 8 + -1
4x = 8 + -1

Combine like terms: 8 + -1 = 7
4x = 7

Divide each side by '4'.
x = 1.75

Simplifying
x = 1.75

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