-[10x-(20x+7)]=7+(9x+1)

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Solution for -[10x-(20x+7)]=7+(9x+1) equation:


Simplifying
-1[10x + -1(20x + 7)] = 7 + (9x + 1)

Reorder the terms:
-1[10x + -1(7 + 20x)] = 7 + (9x + 1)
-1[10x + (7 * -1 + 20x * -1)] = 7 + (9x + 1)
-1[10x + (-7 + -20x)] = 7 + (9x + 1)

Reorder the terms:
-1[-7 + 10x + -20x] = 7 + (9x + 1)

Combine like terms: 10x + -20x = -10x
-1[-7 + -10x] = 7 + (9x + 1)
[-7 * -1 + -10x * -1] = 7 + (9x + 1)
[7 + 10x] = 7 + (9x + 1)

Reorder the terms:
7 + 10x = 7 + (1 + 9x)

Remove parenthesis around (1 + 9x)
7 + 10x = 7 + 1 + 9x

Combine like terms: 7 + 1 = 8
7 + 10x = 8 + 9x

Solving
7 + 10x = 8 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
7 + 10x + -9x = 8 + 9x + -9x

Combine like terms: 10x + -9x = 1x
7 + 1x = 8 + 9x + -9x

Combine like terms: 9x + -9x = 0
7 + 1x = 8 + 0
7 + 1x = 8

Add '-7' to each side of the equation.
7 + -7 + 1x = 8 + -7

Combine like terms: 7 + -7 = 0
0 + 1x = 8 + -7
1x = 8 + -7

Combine like terms: 8 + -7 = 1
1x = 1

Divide each side by '1'.
x = 1

Simplifying
x = 1

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