3x-15=7x-11

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Solution for 3x-15=7x-11 equation:


Simplifying
3x + -15 = 7x + -11

Reorder the terms:
-15 + 3x = 7x + -11

Reorder the terms:
-15 + 3x = -11 + 7x

Solving
-15 + 3x = -11 + 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.
-15 + 3x + -7x = -11 + 7x + -7x

Combine like terms: 3x + -7x = -4x
-15 + -4x = -11 + 7x + -7x

Combine like terms: 7x + -7x = 0
-15 + -4x = -11 + 0
-15 + -4x = -11

Add '15' to each side of the equation.
-15 + 15 + -4x = -11 + 15

Combine like terms: -15 + 15 = 0
0 + -4x = -11 + 15
-4x = -11 + 15

Combine like terms: -11 + 15 = 4
-4x = 4

Divide each side by '-4'.
x = -1

Simplifying
x = -1

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