2x+(51-x)=70

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Solution for 2x+(51-x)=70 equation:


Simplifying
2x + (51 + -1x) = 70

Remove parenthesis around (51 + -1x)
2x + 51 + -1x = 70

Reorder the terms:
51 + 2x + -1x = 70

Combine like terms: 2x + -1x = 1x
51 + 1x = 70

Solving
51 + 1x = 70

Solving for variable 'x'.

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

Add '-51' to each side of the equation.
51 + -51 + 1x = 70 + -51

Combine like terms: 51 + -51 = 0
0 + 1x = 70 + -51
1x = 70 + -51

Combine like terms: 70 + -51 = 19
1x = 19

Divide each side by '1'.
x = 19

Simplifying
x = 19

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