1=x-3x+7

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Solution for 1=x-3x+7 equation: 


Simplifying
1 = x + -3x + 7

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

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

Solving
1 = 7 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
1 + 2x = 7 + -2x + 2x

Combine like terms: -2x + 2x = 0
1 + 2x = 7 + 0
1 + 2x = 7

Add '-1' to each side of the equation.
1 + -1 + 2x = 7 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 7 + -1
2x = 7 + -1

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

Divide each side by '2'.
x = 3

Simplifying
x = 3

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