3x-15+4x=7

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


Simplifying
3x + -15 + 4x = 7

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

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

Solving
-15 + 7x = 7

Solving for variable 'x'.

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

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

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

Combine like terms: 7 + 15 = 22
7x = 22

Divide each side by '7'.
x = 3.142857143

Simplifying
x = 3.142857143

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