5(x+7)-3(4x+5)=69

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Solution for 5(x+7)-3(4x+5)=69 equation:


Simplifying
5(x + 7) + -3(4x + 5) = 69

Reorder the terms:
5(7 + x) + -3(4x + 5) = 69
(7 * 5 + x * 5) + -3(4x + 5) = 69
(35 + 5x) + -3(4x + 5) = 69

Reorder the terms:
35 + 5x + -3(5 + 4x) = 69
35 + 5x + (5 * -3 + 4x * -3) = 69
35 + 5x + (-15 + -12x) = 69

Reorder the terms:
35 + -15 + 5x + -12x = 69

Combine like terms: 35 + -15 = 20
20 + 5x + -12x = 69

Combine like terms: 5x + -12x = -7x
20 + -7x = 69

Solving
20 + -7x = 69

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -7x = 69 + -20

Combine like terms: 20 + -20 = 0
0 + -7x = 69 + -20
-7x = 69 + -20

Combine like terms: 69 + -20 = 49
-7x = 49

Divide each side by '-7'.
x = -7

Simplifying
x = -7

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