1+5x=7(7+3x)

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Solution for 1+5x=7(7+3x) equation:


Simplifying
1 + 5x = 7(7 + 3x)
1 + 5x = (7 * 7 + 3x * 7)
1 + 5x = (49 + 21x)

Solving
1 + 5x = 49 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
1 + 5x + -21x = 49 + 21x + -21x

Combine like terms: 5x + -21x = -16x
1 + -16x = 49 + 21x + -21x

Combine like terms: 21x + -21x = 0
1 + -16x = 49 + 0
1 + -16x = 49

Add '-1' to each side of the equation.
1 + -1 + -16x = 49 + -1

Combine like terms: 1 + -1 = 0
0 + -16x = 49 + -1
-16x = 49 + -1

Combine like terms: 49 + -1 = 48
-16x = 48

Divide each side by '-16'.
x = -3

Simplifying
x = -3

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