7(x-5)-4=9+3(5x-7)

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Solution for 7(x-5)-4=9+3(5x-7) equation:


Simplifying
7(x + -5) + -4 = 9 + 3(5x + -7)

Reorder the terms:
7(-5 + x) + -4 = 9 + 3(5x + -7)
(-5 * 7 + x * 7) + -4 = 9 + 3(5x + -7)
(-35 + 7x) + -4 = 9 + 3(5x + -7)

Reorder the terms:
-35 + -4 + 7x = 9 + 3(5x + -7)

Combine like terms: -35 + -4 = -39
-39 + 7x = 9 + 3(5x + -7)

Reorder the terms:
-39 + 7x = 9 + 3(-7 + 5x)
-39 + 7x = 9 + (-7 * 3 + 5x * 3)
-39 + 7x = 9 + (-21 + 15x)

Combine like terms: 9 + -21 = -12
-39 + 7x = -12 + 15x

Solving
-39 + 7x = -12 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-39 + 7x + -15x = -12 + 15x + -15x

Combine like terms: 7x + -15x = -8x
-39 + -8x = -12 + 15x + -15x

Combine like terms: 15x + -15x = 0
-39 + -8x = -12 + 0
-39 + -8x = -12

Add '39' to each side of the equation.
-39 + 39 + -8x = -12 + 39

Combine like terms: -39 + 39 = 0
0 + -8x = -12 + 39
-8x = -12 + 39

Combine like terms: -12 + 39 = 27
-8x = 27

Divide each side by '-8'.
x = -3.375

Simplifying
x = -3.375

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