170=(20)(4+x)

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Solution for 170=(20)(4+x) equation:


Simplifying
170 = (20)(4 + x)
170 = (4 * 20 + x * 20)
170 = (80 + 20x)

Solving
170 = 80 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
170 + -20x = 80 + 20x + -20x

Combine like terms: 20x + -20x = 0
170 + -20x = 80 + 0
170 + -20x = 80

Add '-170' to each side of the equation.
170 + -170 + -20x = 80 + -170

Combine like terms: 170 + -170 = 0
0 + -20x = 80 + -170
-20x = 80 + -170

Combine like terms: 80 + -170 = -90
-20x = -90

Divide each side by '-20'.
x = 4.5

Simplifying
x = 4.5

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