(x+70)-(x+30)=x

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Solution for (x+70)-(x+30)=x equation:


Simplifying
(x + 70) + -1(x + 30) = x

Reorder the terms:
(70 + x) + -1(x + 30) = x

Remove parenthesis around (70 + x)
70 + x + -1(x + 30) = x

Reorder the terms:
70 + x + -1(30 + x) = x
70 + x + (30 * -1 + x * -1) = x
70 + x + (-30 + -1x) = x

Reorder the terms:
70 + -30 + x + -1x = x

Combine like terms: 70 + -30 = 40
40 + x + -1x = x

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

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

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

Add '-40' to each side of the equation.
40 + -40 + -1x = 0 + -40

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

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

Divide each side by '-1'.
x = 40

Simplifying
x = 40

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