4(3-5x)-7(5-4x)=0

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Solution for 4(3-5x)-7(5-4x)=0 equation:


Simplifying
4(3 + -5x) + -7(5 + -4x) = 0
(3 * 4 + -5x * 4) + -7(5 + -4x) = 0
(12 + -20x) + -7(5 + -4x) = 0
12 + -20x + (5 * -7 + -4x * -7) = 0
12 + -20x + (-35 + 28x) = 0

Reorder the terms:
12 + -35 + -20x + 28x = 0

Combine like terms: 12 + -35 = -23
-23 + -20x + 28x = 0

Combine like terms: -20x + 28x = 8x
-23 + 8x = 0

Solving
-23 + 8x = 0

Solving for variable 'x'.

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

Add '23' to each side of the equation.
-23 + 23 + 8x = 0 + 23

Combine like terms: -23 + 23 = 0
0 + 8x = 0 + 23
8x = 0 + 23

Combine like terms: 0 + 23 = 23
8x = 23

Divide each side by '8'.
x = 2.875

Simplifying
x = 2.875

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