9x-[x+3]=2[x+4]+7

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Solution for 9x-[x+3]=2[x+4]+7 equation:


Simplifying
9x + -1[x + 3] = 2[x + 4] + 7

Reorder the terms:
9x + -1[3 + x] = 2[x + 4] + 7
9x + [3 * -1 + x * -1] = 2[x + 4] + 7
9x + [-3 + -1x] = 2[x + 4] + 7

Reorder the terms:
-3 + 9x + -1x = 2[x + 4] + 7

Combine like terms: 9x + -1x = 8x
-3 + 8x = 2[x + 4] + 7

Reorder the terms:
-3 + 8x = 2[4 + x] + 7
-3 + 8x = [4 * 2 + x * 2] + 7
-3 + 8x = [8 + 2x] + 7

Reorder the terms:
-3 + 8x = 8 + 7 + 2x

Combine like terms: 8 + 7 = 15
-3 + 8x = 15 + 2x

Solving
-3 + 8x = 15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-3 + 8x + -2x = 15 + 2x + -2x

Combine like terms: 8x + -2x = 6x
-3 + 6x = 15 + 2x + -2x

Combine like terms: 2x + -2x = 0
-3 + 6x = 15 + 0
-3 + 6x = 15

Add '3' to each side of the equation.
-3 + 3 + 6x = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 6x = 15 + 3
6x = 15 + 3

Combine like terms: 15 + 3 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

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