7x-3(6x+5)=40

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Solution for 7x-3(6x+5)=40 equation:


Simplifying
7x + -3(6x + 5) = 40

Reorder the terms:
7x + -3(5 + 6x) = 40
7x + (5 * -3 + 6x * -3) = 40
7x + (-15 + -18x) = 40

Reorder the terms:
-15 + 7x + -18x = 40

Combine like terms: 7x + -18x = -11x
-15 + -11x = 40

Solving
-15 + -11x = 40

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -11x = 40 + 15

Combine like terms: -15 + 15 = 0
0 + -11x = 40 + 15
-11x = 40 + 15

Combine like terms: 40 + 15 = 55
-11x = 55

Divide each side by '-11'.
x = -5

Simplifying
x = -5

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