2x+7=7x+9

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Solution for 2x+7=7x+9 equation:


Simplifying
2x + 7 = 7x + 9

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

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

Solving
7 + 2x = 9 + 7x

Solving for variable 'x'.

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

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

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

Combine like terms: 7x + -7x = 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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