42=18x+4(x+5)

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Solution for 42=18x+4(x+5) equation:


Simplifying
42 = 18x + 4(x + 5)

Reorder the terms:
42 = 18x + 4(5 + x)
42 = 18x + (5 * 4 + x * 4)
42 = 18x + (20 + 4x)

Reorder the terms:
42 = 20 + 18x + 4x

Combine like terms: 18x + 4x = 22x
42 = 20 + 22x

Solving
42 = 20 + 22x

Solving for variable 'x'.

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

Add '-22x' to each side of the equation.
42 + -22x = 20 + 22x + -22x

Combine like terms: 22x + -22x = 0
42 + -22x = 20 + 0
42 + -22x = 20

Add '-42' to each side of the equation.
42 + -42 + -22x = 20 + -42

Combine like terms: 42 + -42 = 0
0 + -22x = 20 + -42
-22x = 20 + -42

Combine like terms: 20 + -42 = -22
-22x = -22

Divide each side by '-22'.
x = 1

Simplifying
x = 1

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