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

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


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

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

Reorder the terms:
-5 + 7x = 3(5 + 4x)
-5 + 7x = (5 * 3 + 4x * 3)
-5 + 7x = (15 + 12x)

Solving
-5 + 7x = 15 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-5 + 7x + -12x = 15 + 12x + -12x

Combine like terms: 7x + -12x = -5x
-5 + -5x = 15 + 12x + -12x

Combine like terms: 12x + -12x = 0
-5 + -5x = 15 + 0
-5 + -5x = 15

Add '5' to each side of the equation.
-5 + 5 + -5x = 15 + 5

Combine like terms: -5 + 5 = 0
0 + -5x = 15 + 5
-5x = 15 + 5

Combine like terms: 15 + 5 = 20
-5x = 20

Divide each side by '-5'.
x = -4

Simplifying
x = -4

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