-7x+2(4x+18)=42

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Solution for -7x+2(4x+18)=42 equation:


Simplifying
-7x + 2(4x + 18) = 42

Reorder the terms:
-7x + 2(18 + 4x) = 42
-7x + (18 * 2 + 4x * 2) = 42
-7x + (36 + 8x) = 42

Reorder the terms:
36 + -7x + 8x = 42

Combine like terms: -7x + 8x = 1x
36 + 1x = 42

Solving
36 + 1x = 42

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 + 1x = 42 + -36

Combine like terms: 36 + -36 = 0
0 + 1x = 42 + -36
1x = 42 + -36

Combine like terms: 42 + -36 = 6
1x = 6

Divide each side by '1'.
x = 6

Simplifying
x = 6

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