21+15=35+x+16

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Solution for 21+15=35+x+16 equation:


Simplifying
21 + 15 = 35 + x + 16

Combine like terms: 21 + 15 = 36
36 = 35 + x + 16

Reorder the terms:
36 = 35 + 16 + x

Combine like terms: 35 + 16 = 51
36 = 51 + x

Solving
36 = 51 + 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.
36 + -1x = 51 + x + -1x

Combine like terms: x + -1x = 0
36 + -1x = 51 + 0
36 + -1x = 51

Add '-36' to each side of the equation.
36 + -36 + -1x = 51 + -36

Combine like terms: 36 + -36 = 0
0 + -1x = 51 + -36
-1x = 51 + -36

Combine like terms: 51 + -36 = 15
-1x = 15

Divide each side by '-1'.
x = -15

Simplifying
x = -15

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