7x-3(6x+7)=45

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Solution for 7x-3(6x+7)=45 equation:


Simplifying
7x + -3(6x + 7) = 45

Reorder the terms:
7x + -3(7 + 6x) = 45
7x + (7 * -3 + 6x * -3) = 45
7x + (-21 + -18x) = 45

Reorder the terms:
-21 + 7x + -18x = 45

Combine like terms: 7x + -18x = -11x
-21 + -11x = 45

Solving
-21 + -11x = 45

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 + -11x = 45 + 21

Combine like terms: -21 + 21 = 0
0 + -11x = 45 + 21
-11x = 45 + 21

Combine like terms: 45 + 21 = 66
-11x = 66

Divide each side by '-11'.
x = -6

Simplifying
x = -6

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