(5x-7)-(4x+2)=

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


Simplifying
(5x + -7) + -1(4x + 2) = 0

Reorder the terms:
(-7 + 5x) + -1(4x + 2) = 0

Remove parenthesis around (-7 + 5x)
-7 + 5x + -1(4x + 2) = 0

Reorder the terms:
-7 + 5x + -1(2 + 4x) = 0
-7 + 5x + (2 * -1 + 4x * -1) = 0
-7 + 5x + (-2 + -4x) = 0

Reorder the terms:
-7 + -2 + 5x + -4x = 0

Combine like terms: -7 + -2 = -9
-9 + 5x + -4x = 0

Combine like terms: 5x + -4x = 1x
-9 + 1x = 0

Solving
-9 + 1x = 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 + 1x = 0 + 9

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

Combine like terms: 0 + 9 = 9
1x = 9

Divide each side by '1'.
x = 9

Simplifying
x = 9

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