15-5(4x-7)=40

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Solution for 15-5(4x-7)=40 equation:


Simplifying
15 + -5(4x + -7) = 40

Reorder the terms:
15 + -5(-7 + 4x) = 40
15 + (-7 * -5 + 4x * -5) = 40
15 + (35 + -20x) = 40

Combine like terms: 15 + 35 = 50
50 + -20x = 40

Solving
50 + -20x = 40

Solving for variable 'x'.

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

Add '-50' to each side of the equation.
50 + -50 + -20x = 40 + -50

Combine like terms: 50 + -50 = 0
0 + -20x = 40 + -50
-20x = 40 + -50

Combine like terms: 40 + -50 = -10
-20x = -10

Divide each side by '-20'.
x = 0.5

Simplifying
x = 0.5

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