X+3-7X=-40+7X

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Solution for X+3-7X=-40+7X equation:


Simplifying
X + 3 + -7X = -40 + 7X

Reorder the terms:
3 + X + -7X = -40 + 7X

Combine like terms: X + -7X = -6X
3 + -6X = -40 + 7X

Solving
3 + -6X = -40 + 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.
3 + -6X + -7X = -40 + 7X + -7X

Combine like terms: -6X + -7X = -13X
3 + -13X = -40 + 7X + -7X

Combine like terms: 7X + -7X = 0
3 + -13X = -40 + 0
3 + -13X = -40

Add '-3' to each side of the equation.
3 + -3 + -13X = -40 + -3

Combine like terms: 3 + -3 = 0
0 + -13X = -40 + -3
-13X = -40 + -3

Combine like terms: -40 + -3 = -43
-13X = -43

Divide each side by '-13'.
X = 3.307692308

Simplifying
X = 3.307692308

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