9+7=40-x

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Solution for 9+7=40-x equation:


Simplifying
9 + 7 = 40 + -1x

Combine like terms: 9 + 7 = 16
16 = 40 + -1x

Solving
16 = 40 + -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.
16 + x = 40 + -1x + x

Combine like terms: -1x + x = 0
16 + x = 40 + 0
16 + x = 40

Add '-16' to each side of the equation.
16 + -16 + x = 40 + -16

Combine like terms: 16 + -16 = 0
0 + x = 40 + -16
x = 40 + -16

Combine like terms: 40 + -16 = 24
x = 24

Simplifying
x = 24

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