3x-4x+7=19

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Solution for 3x-4x+7=19 equation:


Simplifying
3x + -4x + 7 = 19

Reorder the terms:
7 + 3x + -4x = 19

Combine like terms: 3x + -4x = -1x
7 + -1x = 19

Solving
7 + -1x = 19

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -1x = 19 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 19 + -7
-1x = 19 + -7

Combine like terms: 19 + -7 = 12
-1x = 12

Divide each side by '-1'.
x = -12

Simplifying
x = -12

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