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

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


Simplifying
(7x + 5x + 4) + -1(7x + 5) = 9x + 10

Reorder the terms:
(4 + 7x + 5x) + -1(7x + 5) = 9x + 10

Combine like terms: 7x + 5x = 12x
(4 + 12x) + -1(7x + 5) = 9x + 10

Remove parenthesis around (4 + 12x)
4 + 12x + -1(7x + 5) = 9x + 10

Reorder the terms:
4 + 12x + -1(5 + 7x) = 9x + 10
4 + 12x + (5 * -1 + 7x * -1) = 9x + 10
4 + 12x + (-5 + -7x) = 9x + 10

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

Combine like terms: 4 + -5 = -1
-1 + 12x + -7x = 9x + 10

Combine like terms: 12x + -7x = 5x
-1 + 5x = 9x + 10

Reorder the terms:
-1 + 5x = 10 + 9x

Solving
-1 + 5x = 10 + 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.
-1 + 5x + -9x = 10 + 9x + -9x

Combine like terms: 5x + -9x = -4x
-1 + -4x = 10 + 9x + -9x

Combine like terms: 9x + -9x = 0
-1 + -4x = 10 + 0
-1 + -4x = 10

Add '1' to each side of the equation.
-1 + 1 + -4x = 10 + 1

Combine like terms: -1 + 1 = 0
0 + -4x = 10 + 1
-4x = 10 + 1

Combine like terms: 10 + 1 = 11
-4x = 11

Divide each side by '-4'.
x = -2.75

Simplifying
x = -2.75

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