9(x+1)=7(x-3)+30

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Solution for 9(x+1)=7(x-3)+30 equation:


Simplifying
9(x + 1) = 7(x + -3) + 30

Reorder the terms:
9(1 + x) = 7(x + -3) + 30
(1 * 9 + x * 9) = 7(x + -3) + 30
(9 + 9x) = 7(x + -3) + 30

Reorder the terms:
9 + 9x = 7(-3 + x) + 30
9 + 9x = (-3 * 7 + x * 7) + 30
9 + 9x = (-21 + 7x) + 30

Reorder the terms:
9 + 9x = -21 + 30 + 7x

Combine like terms: -21 + 30 = 9
9 + 9x = 9 + 7x

Add '-9' to each side of the equation.
9 + -9 + 9x = 9 + -9 + 7x

Combine like terms: 9 + -9 = 0
0 + 9x = 9 + -9 + 7x
9x = 9 + -9 + 7x

Combine like terms: 9 + -9 = 0
9x = 0 + 7x
9x = 7x

Solving
9x = 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.
9x + -7x = 7x + -7x

Combine like terms: 9x + -7x = 2x
2x = 7x + -7x

Combine like terms: 7x + -7x = 0
2x = 0

Divide each side by '2'.
x = 0

Simplifying
x = 0

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