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

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


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

Reorder the terms:
7x + -5(8 + 3x) = 20
7x + (8 * -5 + 3x * -5) = 20
7x + (-40 + -15x) = 20

Reorder the terms:
-40 + 7x + -15x = 20

Combine like terms: 7x + -15x = -8x
-40 + -8x = 20

Solving
-40 + -8x = 20

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + -8x = 20 + 40

Combine like terms: -40 + 40 = 0
0 + -8x = 20 + 40
-8x = 20 + 40

Combine like terms: 20 + 40 = 60
-8x = 60

Divide each side by '-8'.
x = -7.5

Simplifying
x = -7.5

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