5(x-8)+9=3(x-7)

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Solution for 5(x-8)+9=3(x-7) equation:


Simplifying
5(x + -8) + 9 = 3(x + -7)

Reorder the terms:
5(-8 + x) + 9 = 3(x + -7)
(-8 * 5 + x * 5) + 9 = 3(x + -7)
(-40 + 5x) + 9 = 3(x + -7)

Reorder the terms:
-40 + 9 + 5x = 3(x + -7)

Combine like terms: -40 + 9 = -31
-31 + 5x = 3(x + -7)

Reorder the terms:
-31 + 5x = 3(-7 + x)
-31 + 5x = (-7 * 3 + x * 3)
-31 + 5x = (-21 + 3x)

Solving
-31 + 5x = -21 + 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.
-31 + 5x + -3x = -21 + 3x + -3x

Combine like terms: 5x + -3x = 2x
-31 + 2x = -21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-31 + 2x = -21 + 0
-31 + 2x = -21

Add '31' to each side of the equation.
-31 + 31 + 2x = -21 + 31

Combine like terms: -31 + 31 = 0
0 + 2x = -21 + 31
2x = -21 + 31

Combine like terms: -21 + 31 = 10
2x = 10

Divide each side by '2'.
x = 5

Simplifying
x = 5

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