7(2*-4+5)=4x-9-x

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


Simplifying
7(2 * -4 + 5) = 4x + -9 + -1x

Multiply 2 * -4
7(-8 + 5) = 4x + -9 + -1x

Combine like terms: -8 + 5 = -3
7(-3) = 4x + -9 + -1x

Multiply 7 * -3
-21 = 4x + -9 + -1x

Reorder the terms:
-21 = -9 + 4x + -1x

Combine like terms: 4x + -1x = 3x
-21 = -9 + 3x

Solving
-21 = -9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-21 + -3x = -9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-21 + -3x = -9 + 0
-21 + -3x = -9

Add '21' to each side of the equation.
-21 + 21 + -3x = -9 + 21

Combine like terms: -21 + 21 = 0
0 + -3x = -9 + 21
-3x = -9 + 21

Combine like terms: -9 + 21 = 12
-3x = 12

Divide each side by '-3'.
x = -4

Simplifying
x = -4

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