2+7=x+4

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Solution for 2+7=x+4 equation:


Simplifying
2 + 7 = x + 4

Combine like terms: 2 + 7 = 9
9 = x + 4

Reorder the terms:
9 = 4 + x

Solving
9 = 4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
9 + -1x = 4 + x + -1x

Combine like terms: x + -1x = 0
9 + -1x = 4 + 0
9 + -1x = 4

Add '-9' to each side of the equation.
9 + -9 + -1x = 4 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = 4 + -9
-1x = 4 + -9

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

Divide each side by '-1'.
x = 5

Simplifying
x = 5

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