5(x-1)+3(x+1)=30

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Solution for 5(x-1)+3(x+1)=30 equation:


Simplifying
5(x + -1) + 3(x + 1) = 30

Reorder the terms:
5(-1 + x) + 3(x + 1) = 30
(-1 * 5 + x * 5) + 3(x + 1) = 30
(-5 + 5x) + 3(x + 1) = 30

Reorder the terms:
-5 + 5x + 3(1 + x) = 30
-5 + 5x + (1 * 3 + x * 3) = 30
-5 + 5x + (3 + 3x) = 30

Reorder the terms:
-5 + 3 + 5x + 3x = 30

Combine like terms: -5 + 3 = -2
-2 + 5x + 3x = 30

Combine like terms: 5x + 3x = 8x
-2 + 8x = 30

Solving
-2 + 8x = 30

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 8x = 30 + 2

Combine like terms: -2 + 2 = 0
0 + 8x = 30 + 2
8x = 30 + 2

Combine like terms: 30 + 2 = 32
8x = 32

Divide each side by '8'.
x = 4

Simplifying
x = 4

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