18(x-40)=36(x-30)

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Solution for 18(x-40)=36(x-30) equation:


Simplifying
18(x + -40) = 36(x + -30)

Reorder the terms:
18(-40 + x) = 36(x + -30)
(-40 * 18 + x * 18) = 36(x + -30)
(-720 + 18x) = 36(x + -30)

Reorder the terms:
-720 + 18x = 36(-30 + x)
-720 + 18x = (-30 * 36 + x * 36)
-720 + 18x = (-1080 + 36x)

Solving
-720 + 18x = -1080 + 36x

Solving for variable 'x'.

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

Add '-36x' to each side of the equation.
-720 + 18x + -36x = -1080 + 36x + -36x

Combine like terms: 18x + -36x = -18x
-720 + -18x = -1080 + 36x + -36x

Combine like terms: 36x + -36x = 0
-720 + -18x = -1080 + 0
-720 + -18x = -1080

Add '720' to each side of the equation.
-720 + 720 + -18x = -1080 + 720

Combine like terms: -720 + 720 = 0
0 + -18x = -1080 + 720
-18x = -1080 + 720

Combine like terms: -1080 + 720 = -360
-18x = -360

Divide each side by '-18'.
x = 20

Simplifying
x = 20

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