7x-15=4x-3

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Solution for 7x-15=4x-3 equation:


Simplifying
7x + -15 = 4x + -3

Reorder the terms:
-15 + 7x = 4x + -3

Reorder the terms:
-15 + 7x = -3 + 4x

Solving
-15 + 7x = -3 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-15 + 7x + -4x = -3 + 4x + -4x

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

Combine like terms: 4x + -4x = 0
-15 + 3x = -3 + 0
-15 + 3x = -3

Add '15' to each side of the equation.
-15 + 15 + 3x = -3 + 15

Combine like terms: -15 + 15 = 0
0 + 3x = -3 + 15
3x = -3 + 15

Combine like terms: -3 + 15 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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