4x-9(15+1)=20-5(15)

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Solution for 4x-9(15+1)=20-5(15) equation:


Simplifying
4x + -9(15 + 1) = 20 + -5(15)

Combine like terms: 15 + 1 = 16
4x + -9(16) = 20 + -5(15)

Multiply -9 * 16
4x + -144 = 20 + -5(15)

Reorder the terms:
-144 + 4x = 20 + -5(15)

Multiply -5 * 15
-144 + 4x = 20 + -75

Combine like terms: 20 + -75 = -55
-144 + 4x = -55

Solving
-144 + 4x = -55

Solving for variable 'x'.

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

Add '144' to each side of the equation.
-144 + 144 + 4x = -55 + 144

Combine like terms: -144 + 144 = 0
0 + 4x = -55 + 144
4x = -55 + 144

Combine like terms: -55 + 144 = 89
4x = 89

Divide each side by '4'.
x = 22.25

Simplifying
x = 22.25

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