1-x+(-2x)=8-7x+(-2)

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Solution for 1-x+(-2x)=8-7x+(-2) equation:


Simplifying
1 + -1x + (-2x) = 8 + -7x + (-2)

Combine like terms: -1x + (-2x) = -3x
1 + -3x = 8 + -7x + (-2)
1 + -3x = 8 + -7x + -2

Reorder the terms:
1 + -3x = 8 + -2 + -7x

Combine like terms: 8 + -2 = 6
1 + -3x = 6 + -7x

Solving
1 + -3x = 6 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
1 + -3x + 7x = 6 + -7x + 7x

Combine like terms: -3x + 7x = 4x
1 + 4x = 6 + -7x + 7x

Combine like terms: -7x + 7x = 0
1 + 4x = 6 + 0
1 + 4x = 6

Add '-1' to each side of the equation.
1 + -1 + 4x = 6 + -1

Combine like terms: 1 + -1 = 0
0 + 4x = 6 + -1
4x = 6 + -1

Combine like terms: 6 + -1 = 5
4x = 5

Divide each side by '4'.
x = 1.25

Simplifying
x = 1.25

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