6(6+x+1)=7(7+x-2)

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Solution for 6(6+x+1)=7(7+x-2) equation:


Simplifying
6(6 + x + 1) = 7(7 + x + -2)

Reorder the terms:
6(6 + 1 + x) = 7(7 + x + -2)

Combine like terms: 6 + 1 = 7
6(7 + x) = 7(7 + x + -2)
(7 * 6 + x * 6) = 7(7 + x + -2)
(42 + 6x) = 7(7 + x + -2)

Reorder the terms:
42 + 6x = 7(7 + -2 + x)

Combine like terms: 7 + -2 = 5
42 + 6x = 7(5 + x)
42 + 6x = (5 * 7 + x * 7)
42 + 6x = (35 + 7x)

Solving
42 + 6x = 35 + 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.
42 + 6x + -7x = 35 + 7x + -7x

Combine like terms: 6x + -7x = -1x
42 + -1x = 35 + 7x + -7x

Combine like terms: 7x + -7x = 0
42 + -1x = 35 + 0
42 + -1x = 35

Add '-42' to each side of the equation.
42 + -42 + -1x = 35 + -42

Combine like terms: 42 + -42 = 0
0 + -1x = 35 + -42
-1x = 35 + -42

Combine like terms: 35 + -42 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7

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