7x-[(x+4)-(2x+1)]=10

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Solution for 7x-[(x+4)-(2x+1)]=10 equation:


Simplifying
7x + -1[(x + 4) + -1(2x + 1)] = 10

Reorder the terms:
7x + -1[(4 + x) + -1(2x + 1)] = 10

Remove parenthesis around (4 + x)
7x + -1[4 + x + -1(2x + 1)] = 10

Reorder the terms:
7x + -1[4 + x + -1(1 + 2x)] = 10
7x + -1[4 + x + (1 * -1 + 2x * -1)] = 10
7x + -1[4 + x + (-1 + -2x)] = 10

Reorder the terms:
7x + -1[4 + -1 + x + -2x] = 10

Combine like terms: 4 + -1 = 3
7x + -1[3 + x + -2x] = 10

Combine like terms: x + -2x = -1x
7x + -1[3 + -1x] = 10
7x + [3 * -1 + -1x * -1] = 10
7x + [-3 + 1x] = 10

Reorder the terms:
-3 + 7x + 1x = 10

Combine like terms: 7x + 1x = 8x
-3 + 8x = 10

Solving
-3 + 8x = 10

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 8x = 10 + 3

Combine like terms: -3 + 3 = 0
0 + 8x = 10 + 3
8x = 10 + 3

Combine like terms: 10 + 3 = 13
8x = 13

Divide each side by '8'.
x = 1.625

Simplifying
x = 1.625

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