7x-5+12x+7=40

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Solution for 7x-5+12x+7=40 equation:


Simplifying
7x + -5 + 12x + 7 = 40

Reorder the terms:
-5 + 7 + 7x + 12x = 40

Combine like terms: -5 + 7 = 2
2 + 7x + 12x = 40

Combine like terms: 7x + 12x = 19x
2 + 19x = 40

Solving
2 + 19x = 40

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 19x = 40 + -2

Combine like terms: 2 + -2 = 0
0 + 19x = 40 + -2
19x = 40 + -2

Combine like terms: 40 + -2 = 38
19x = 38

Divide each side by '19'.
x = 2

Simplifying
x = 2

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