(8x-7)-(5x+2)=

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Solution for (8x-7)-(5x+2)= equation:


Simplifying
(8x + -7) + -1(5x + 2) = 0

Reorder the terms:
(-7 + 8x) + -1(5x + 2) = 0

Remove parenthesis around (-7 + 8x)
-7 + 8x + -1(5x + 2) = 0

Reorder the terms:
-7 + 8x + -1(2 + 5x) = 0
-7 + 8x + (2 * -1 + 5x * -1) = 0
-7 + 8x + (-2 + -5x) = 0

Reorder the terms:
-7 + -2 + 8x + -5x = 0

Combine like terms: -7 + -2 = -9
-9 + 8x + -5x = 0

Combine like terms: 8x + -5x = 3x
-9 + 3x = 0

Solving
-9 + 3x = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 3x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = 0 + 9
3x = 0 + 9

Combine like terms: 0 + 9 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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