7x+5=20(x-7)-3x

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


Simplifying
7x + 5 = 20(x + -7) + -3x

Reorder the terms:
5 + 7x = 20(x + -7) + -3x

Reorder the terms:
5 + 7x = 20(-7 + x) + -3x
5 + 7x = (-7 * 20 + x * 20) + -3x
5 + 7x = (-140 + 20x) + -3x

Combine like terms: 20x + -3x = 17x
5 + 7x = -140 + 17x

Solving
5 + 7x = -140 + 17x

Solving for variable 'x'.

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

Add '-17x' to each side of the equation.
5 + 7x + -17x = -140 + 17x + -17x

Combine like terms: 7x + -17x = -10x
5 + -10x = -140 + 17x + -17x

Combine like terms: 17x + -17x = 0
5 + -10x = -140 + 0
5 + -10x = -140

Add '-5' to each side of the equation.
5 + -5 + -10x = -140 + -5

Combine like terms: 5 + -5 = 0
0 + -10x = -140 + -5
-10x = -140 + -5

Combine like terms: -140 + -5 = -145
-10x = -145

Divide each side by '-10'.
x = 14.5

Simplifying
x = 14.5

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