5(x+1)+7(x-3)=146

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Solution for 5(x+1)+7(x-3)=146 equation:


Simplifying
5(x + 1) + 7(x + -3) = 146

Reorder the terms:
5(1 + x) + 7(x + -3) = 146
(1 * 5 + x * 5) + 7(x + -3) = 146
(5 + 5x) + 7(x + -3) = 146

Reorder the terms:
5 + 5x + 7(-3 + x) = 146
5 + 5x + (-3 * 7 + x * 7) = 146
5 + 5x + (-21 + 7x) = 146

Reorder the terms:
5 + -21 + 5x + 7x = 146

Combine like terms: 5 + -21 = -16
-16 + 5x + 7x = 146

Combine like terms: 5x + 7x = 12x
-16 + 12x = 146

Solving
-16 + 12x = 146

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 12x = 146 + 16

Combine like terms: -16 + 16 = 0
0 + 12x = 146 + 16
12x = 146 + 16

Combine like terms: 146 + 16 = 162
12x = 162

Divide each side by '12'.
x = 13.5

Simplifying
x = 13.5

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