7(x+6)-4(5x-5)=15

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Solution for 7(x+6)-4(5x-5)=15 equation:


Simplifying
7(x + 6) + -4(5x + -5) = 15

Reorder the terms:
7(6 + x) + -4(5x + -5) = 15
(6 * 7 + x * 7) + -4(5x + -5) = 15
(42 + 7x) + -4(5x + -5) = 15

Reorder the terms:
42 + 7x + -4(-5 + 5x) = 15
42 + 7x + (-5 * -4 + 5x * -4) = 15
42 + 7x + (20 + -20x) = 15

Reorder the terms:
42 + 20 + 7x + -20x = 15

Combine like terms: 42 + 20 = 62
62 + 7x + -20x = 15

Combine like terms: 7x + -20x = -13x
62 + -13x = 15

Solving
62 + -13x = 15

Solving for variable 'x'.

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

Add '-62' to each side of the equation.
62 + -62 + -13x = 15 + -62

Combine like terms: 62 + -62 = 0
0 + -13x = 15 + -62
-13x = 15 + -62

Combine like terms: 15 + -62 = -47
-13x = -47

Divide each side by '-13'.
x = 3.615384615

Simplifying
x = 3.615384615

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