3x+25=7x-13

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Solution for 3x+25=7x-13 equation:


Simplifying
3x + 25 = 7x + -13

Reorder the terms:
25 + 3x = 7x + -13

Reorder the terms:
25 + 3x = -13 + 7x

Solving
25 + 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.
25 + 3x + -7x = -13 + 7x + -7x

Combine like terms: 3x + -7x = -4x
25 + -4x = -13 + 7x + -7x

Combine like terms: 7x + -7x = 0
25 + -4x = -13 + 0
25 + -4x = -13

Add '-25' to each side of the equation.
25 + -25 + -4x = -13 + -25

Combine like terms: 25 + -25 = 0
0 + -4x = -13 + -25
-4x = -13 + -25

Combine like terms: -13 + -25 = -38
-4x = -38

Divide each side by '-4'.
x = 9.5

Simplifying
x = 9.5

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