49=7(3+x)

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Solution for 49=7(3+x) equation:


Simplifying
49 = 7(3 + x)
49 = (3 * 7 + x * 7)
49 = (21 + 7x)

Solving
49 = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
49 + -7x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
49 + -7x = 21 + 0
49 + -7x = 21

Add '-49' to each side of the equation.
49 + -49 + -7x = 21 + -49

Combine like terms: 49 + -49 = 0
0 + -7x = 21 + -49
-7x = 21 + -49

Combine like terms: 21 + -49 = -28
-7x = -28

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

Simplifying
x = 4

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