7x-2(5x+3)=12

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Solution for 7x-2(5x+3)=12 equation:


Simplifying
7x + -2(5x + 3) = 12

Reorder the terms:
7x + -2(3 + 5x) = 12
7x + (3 * -2 + 5x * -2) = 12
7x + (-6 + -10x) = 12

Reorder the terms:
-6 + 7x + -10x = 12

Combine like terms: 7x + -10x = -3x
-6 + -3x = 12

Solving
-6 + -3x = 12

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + -3x = 12 + 6

Combine like terms: -6 + 6 = 0
0 + -3x = 12 + 6
-3x = 12 + 6

Combine like terms: 12 + 6 = 18
-3x = 18

Divide each side by '-3'.
x = -6

Simplifying
x = -6

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