30=(3x+5)-(10-2x)

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Solution for 30=(3x+5)-(10-2x) equation:


Simplifying
30 = (3x + 5) + -1(10 + -2x)

Reorder the terms:
30 = (5 + 3x) + -1(10 + -2x)

Remove parenthesis around (5 + 3x)
30 = 5 + 3x + -1(10 + -2x)
30 = 5 + 3x + (10 * -1 + -2x * -1)
30 = 5 + 3x + (-10 + 2x)

Reorder the terms:
30 = 5 + -10 + 3x + 2x

Combine like terms: 5 + -10 = -5
30 = -5 + 3x + 2x

Combine like terms: 3x + 2x = 5x
30 = -5 + 5x

Solving
30 = -5 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
30 + -5x = -5 + 5x + -5x

Combine like terms: 5x + -5x = 0
30 + -5x = -5 + 0
30 + -5x = -5

Add '-30' to each side of the equation.
30 + -30 + -5x = -5 + -30

Combine like terms: 30 + -30 = 0
0 + -5x = -5 + -30
-5x = -5 + -30

Combine like terms: -5 + -30 = -35
-5x = -35

Divide each side by '-5'.
x = 7

Simplifying
x = 7

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