3x-2(x+4)=7

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Solution for 3x-2(x+4)=7 equation:


Simplifying
3x + -2(x + 4) = 7

Reorder the terms:
3x + -2(4 + x) = 7
3x + (4 * -2 + x * -2) = 7
3x + (-8 + -2x) = 7

Reorder the terms:
-8 + 3x + -2x = 7

Combine like terms: 3x + -2x = 1x
-8 + 1x = 7

Solving
-8 + 1x = 7

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 1x = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 1x = 7 + 8
1x = 7 + 8

Combine like terms: 7 + 8 = 15
1x = 15

Divide each side by '1'.
x = 15

Simplifying
x = 15

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