7x-5-4(x+2)=9x+12-10

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Solution for 7x-5-4(x+2)=9x+12-10 equation:


Simplifying
7x + -5 + -4(x + 2) = 9x + 12 + -10

Reorder the terms:
7x + -5 + -4(2 + x) = 9x + 12 + -10
7x + -5 + (2 * -4 + x * -4) = 9x + 12 + -10
7x + -5 + (-8 + -4x) = 9x + 12 + -10

Reorder the terms:
-5 + -8 + 7x + -4x = 9x + 12 + -10

Combine like terms: -5 + -8 = -13
-13 + 7x + -4x = 9x + 12 + -10

Combine like terms: 7x + -4x = 3x
-13 + 3x = 9x + 12 + -10

Reorder the terms:
-13 + 3x = 12 + -10 + 9x

Combine like terms: 12 + -10 = 2
-13 + 3x = 2 + 9x

Solving
-13 + 3x = 2 + 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.
-13 + 3x + -9x = 2 + 9x + -9x

Combine like terms: 3x + -9x = -6x
-13 + -6x = 2 + 9x + -9x

Combine like terms: 9x + -9x = 0
-13 + -6x = 2 + 0
-13 + -6x = 2

Add '13' to each side of the equation.
-13 + 13 + -6x = 2 + 13

Combine like terms: -13 + 13 = 0
0 + -6x = 2 + 13
-6x = 2 + 13

Combine like terms: 2 + 13 = 15
-6x = 15

Divide each side by '-6'.
x = -2.5

Simplifying
x = -2.5

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