40=4(x-7)

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


Simplifying
40 = 4(x + -7)

Reorder the terms:
40 = 4(-7 + x)
40 = (-7 * 4 + x * 4)
40 = (-28 + 4x)

Solving
40 = -28 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
40 + -4x = -28 + 4x + -4x

Combine like terms: 4x + -4x = 0
40 + -4x = -28 + 0
40 + -4x = -28

Add '-40' to each side of the equation.
40 + -40 + -4x = -28 + -40

Combine like terms: 40 + -40 = 0
0 + -4x = -28 + -40
-4x = -28 + -40

Combine like terms: -28 + -40 = -68
-4x = -68

Divide each side by '-4'.
x = 17

Simplifying
x = 17

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