3x+4x-9=-x+2

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Solution for 3x+4x-9=-x+2 equation:


Simplifying
3x + 4x + -9 = -1x + 2

Reorder the terms:
-9 + 3x + 4x = -1x + 2

Combine like terms: 3x + 4x = 7x
-9 + 7x = -1x + 2

Reorder the terms:
-9 + 7x = 2 + -1x

Solving
-9 + 7x = 2 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-9 + 7x + x = 2 + -1x + x

Combine like terms: 7x + x = 8x
-9 + 8x = 2 + -1x + x

Combine like terms: -1x + x = 0
-9 + 8x = 2 + 0
-9 + 8x = 2

Add '9' to each side of the equation.
-9 + 9 + 8x = 2 + 9

Combine like terms: -9 + 9 = 0
0 + 8x = 2 + 9
8x = 2 + 9

Combine like terms: 2 + 9 = 11
8x = 11

Divide each side by '8'.
x = 1.375

Simplifying
x = 1.375

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