7x-2(x+2)-(9x-3)=8

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Solution for 7x-2(x+2)-(9x-3)=8 equation:


Simplifying
7x + -2(x + 2) + -1(9x + -3) = 8

Reorder the terms:
7x + -2(2 + x) + -1(9x + -3) = 8
7x + (2 * -2 + x * -2) + -1(9x + -3) = 8
7x + (-4 + -2x) + -1(9x + -3) = 8

Reorder the terms:
7x + -4 + -2x + -1(-3 + 9x) = 8
7x + -4 + -2x + (-3 * -1 + 9x * -1) = 8
7x + -4 + -2x + (3 + -9x) = 8

Reorder the terms:
-4 + 3 + 7x + -2x + -9x = 8

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

Combine like terms: 7x + -2x = 5x
-1 + 5x + -9x = 8

Combine like terms: 5x + -9x = -4x
-1 + -4x = 8

Solving
-1 + -4x = 8

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + -4x = 8 + 1

Combine like terms: -1 + 1 = 0
0 + -4x = 8 + 1
-4x = 8 + 1

Combine like terms: 8 + 1 = 9
-4x = 9

Divide each side by '-4'.
x = -2.25

Simplifying
x = -2.25

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