40=4(x+3)

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Solution for 40=4(x+3) equation: 


Simplifying
40 = 4(x + 3)

Reorder the terms:
40 = 4(3 + x)
40 = (3 * 4 + x * 4)
40 = (12 + 4x)

Solving
40 = 12 + 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 = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
40 + -4x = 12 + 0
40 + -4x = 12

Add '-40' to each side of the equation.
40 + -40 + -4x = 12 + -40

Combine like terms: 40 + -40 = 0
0 + -4x = 12 + -40
-4x = 12 + -40

Combine like terms: 12 + -40 = -28
-4x = -28

Divide each side by '-4'.
x = 7

Simplifying
x = 7

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