7x-4-5x=30

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Solution for 7x-4-5x=30 equation:


Simplifying
7x + -4 + -5x = 30

Reorder the terms:
-4 + 7x + -5x = 30

Combine like terms: 7x + -5x = 2x
-4 + 2x = 30

Solving
-4 + 2x = 30

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 2x = 30 + 4

Combine like terms: -4 + 4 = 0
0 + 2x = 30 + 4
2x = 30 + 4

Combine like terms: 30 + 4 = 34
2x = 34

Divide each side by '2'.
x = 17

Simplifying
x = 17

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