-3(x-20)+7(15-x)+5(x-8)+20=0

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Solution for -3(x-20)+7(15-x)+5(x-8)+20=0 equation:


Simplifying
-3(x + -20) + 7(15 + -1x) + 5(x + -8) + 20 = 0

Reorder the terms:
-3(-20 + x) + 7(15 + -1x) + 5(x + -8) + 20 = 0
(-20 * -3 + x * -3) + 7(15 + -1x) + 5(x + -8) + 20 = 0
(60 + -3x) + 7(15 + -1x) + 5(x + -8) + 20 = 0
60 + -3x + (15 * 7 + -1x * 7) + 5(x + -8) + 20 = 0
60 + -3x + (105 + -7x) + 5(x + -8) + 20 = 0

Reorder the terms:
60 + -3x + 105 + -7x + 5(-8 + x) + 20 = 0
60 + -3x + 105 + -7x + (-8 * 5 + x * 5) + 20 = 0
60 + -3x + 105 + -7x + (-40 + 5x) + 20 = 0

Reorder the terms:
60 + 105 + -40 + 20 + -3x + -7x + 5x = 0

Combine like terms: 60 + 105 = 165
165 + -40 + 20 + -3x + -7x + 5x = 0

Combine like terms: 165 + -40 = 125
125 + 20 + -3x + -7x + 5x = 0

Combine like terms: 125 + 20 = 145
145 + -3x + -7x + 5x = 0

Combine like terms: -3x + -7x = -10x
145 + -10x + 5x = 0

Combine like terms: -10x + 5x = -5x
145 + -5x = 0

Solving
145 + -5x = 0

Solving for variable 'x'.

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

Add '-145' to each side of the equation.
145 + -145 + -5x = 0 + -145

Combine like terms: 145 + -145 = 0
0 + -5x = 0 + -145
-5x = 0 + -145

Combine like terms: 0 + -145 = -145
-5x = -145

Divide each side by '-5'.
x = 29

Simplifying
x = 29

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