3X+103=7X-13

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Solution for 3X+103=7X-13 equation:


Simplifying
3X + 103 = 7X + -13

Reorder the terms:
103 + 3X = 7X + -13

Reorder the terms:
103 + 3X = -13 + 7X

Solving
103 + 3X = -13 + 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.
103 + 3X + -7X = -13 + 7X + -7X

Combine like terms: 3X + -7X = -4X
103 + -4X = -13 + 7X + -7X

Combine like terms: 7X + -7X = 0
103 + -4X = -13 + 0
103 + -4X = -13

Add '-103' to each side of the equation.
103 + -103 + -4X = -13 + -103

Combine like terms: 103 + -103 = 0
0 + -4X = -13 + -103
-4X = -13 + -103

Combine like terms: -13 + -103 = -116
-4X = -116

Divide each side by '-4'.
X = 29

Simplifying
X = 29

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