4x-7=-x-9

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Solution for 4x-7=-x-9 equation:


Simplifying
4x + -7 = -1x + -9

Reorder the terms:
-7 + 4x = -1x + -9

Reorder the terms:
-7 + 4x = -9 + -1x

Solving
-7 + 4x = -9 + -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.
-7 + 4x + x = -9 + -1x + x

Combine like terms: 4x + x = 5x
-7 + 5x = -9 + -1x + x

Combine like terms: -1x + x = 0
-7 + 5x = -9 + 0
-7 + 5x = -9

Add '7' to each side of the equation.
-7 + 7 + 5x = -9 + 7

Combine like terms: -7 + 7 = 0
0 + 5x = -9 + 7
5x = -9 + 7

Combine like terms: -9 + 7 = -2
5x = -2

Divide each side by '5'.
x = -0.4

Simplifying
x = -0.4

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