3x+2(7x-18)=100

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Solution for 3x+2(7x-18)=100 equation:


Simplifying
3x + 2(7x + -18) = 100

Reorder the terms:
3x + 2(-18 + 7x) = 100
3x + (-18 * 2 + 7x * 2) = 100
3x + (-36 + 14x) = 100

Reorder the terms:
-36 + 3x + 14x = 100

Combine like terms: 3x + 14x = 17x
-36 + 17x = 100

Solving
-36 + 17x = 100

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 17x = 100 + 36

Combine like terms: -36 + 36 = 0
0 + 17x = 100 + 36
17x = 100 + 36

Combine like terms: 100 + 36 = 136
17x = 136

Divide each side by '17'.
x = 8

Simplifying
x = 8

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