7x+5=4x-15

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Solution for 7x+5=4x-15 equation:


Simplifying
7x + 5 = 4x + -15

Reorder the terms:
5 + 7x = 4x + -15

Reorder the terms:
5 + 7x = -15 + 4x

Solving
5 + 7x = -15 + 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.
5 + 7x + -4x = -15 + 4x + -4x

Combine like terms: 7x + -4x = 3x
5 + 3x = -15 + 4x + -4x

Combine like terms: 4x + -4x = 0
5 + 3x = -15 + 0
5 + 3x = -15

Add '-5' to each side of the equation.
5 + -5 + 3x = -15 + -5

Combine like terms: 5 + -5 = 0
0 + 3x = -15 + -5
3x = -15 + -5

Combine like terms: -15 + -5 = -20
3x = -20

Divide each side by '3'.
x = -6.666666667

Simplifying
x = -6.666666667

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