6x-7(x+3)=15

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Solution for 6x-7(x+3)=15 equation:


Simplifying
6x + -7(x + 3) = 15

Reorder the terms:
6x + -7(3 + x) = 15
6x + (3 * -7 + x * -7) = 15
6x + (-21 + -7x) = 15

Reorder the terms:
-21 + 6x + -7x = 15

Combine like terms: 6x + -7x = -1x
-21 + -1x = 15

Solving
-21 + -1x = 15

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -1x = 15 + 21

Combine like terms: -21 + 21 = 0
0 + -1x = 15 + 21
-1x = 15 + 21

Combine like terms: 15 + 21 = 36
-1x = 36

Divide each side by '-1'.
x = -36

Simplifying
x = -36

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