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

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Solution for 2x(-8-4)+9=5x(8)-7 equation:


Simplifying
2x(-8 + -4) + 9 = 5x(8) + -7

Combine like terms: -8 + -4 = -12
2x(-12) + 9 = 5x(8) + -7

Reorder the terms for easier multiplication:
2 * -12x + 9 = 5x(8) + -7

Multiply 2 * -12
-24x + 9 = 5x(8) + -7

Reorder the terms:
9 + -24x = 5x(8) + -7

Reorder the terms for easier multiplication:
9 + -24x = 5 * 8x + -7

Multiply 5 * 8
9 + -24x = 40x + -7

Reorder the terms:
9 + -24x = -7 + 40x

Solving
9 + -24x = -7 + 40x

Solving for variable 'x'.

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

Add '-40x' to each side of the equation.
9 + -24x + -40x = -7 + 40x + -40x

Combine like terms: -24x + -40x = -64x
9 + -64x = -7 + 40x + -40x

Combine like terms: 40x + -40x = 0
9 + -64x = -7 + 0
9 + -64x = -7

Add '-9' to each side of the equation.
9 + -9 + -64x = -7 + -9

Combine like terms: 9 + -9 = 0
0 + -64x = -7 + -9
-64x = -7 + -9

Combine like terms: -7 + -9 = -16
-64x = -16

Divide each side by '-64'.
x = 0.25

Simplifying
x = 0.25

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