(15)(2)(4+x)=45

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Solution for (15)(2)(4+x)=45 equation: 


Simplifying
(15)(2)(4 + x) = 45

Multiply 15 * 2
30(4 + x) = 45
(4 * 30 + x * 30) = 45
(120 + 30x) = 45

Solving
120 + 30x = 45

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + 30x = 45 + -120

Combine like terms: 120 + -120 = 0
0 + 30x = 45 + -120
30x = 45 + -120

Combine like terms: 45 + -120 = -75
30x = -75

Divide each side by '30'.
x = -2.5

Simplifying
x = -2.5

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