40=5(x+3)-20

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Solution for 40=5(x+3)-20 equation:


Simplifying
40 = 5(x + 3) + -20

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

Reorder the terms:
40 = 15 + -20 + 5x

Combine like terms: 15 + -20 = -5
40 = -5 + 5x

Solving
40 = -5 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
40 + -5x = -5 + 5x + -5x

Combine like terms: 5x + -5x = 0
40 + -5x = -5 + 0
40 + -5x = -5

Add '-40' to each side of the equation.
40 + -40 + -5x = -5 + -40

Combine like terms: 40 + -40 = 0
0 + -5x = -5 + -40
-5x = -5 + -40

Combine like terms: -5 + -40 = -45
-5x = -45

Divide each side by '-5'.
x = 9

Simplifying
x = 9

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