-2(7.5x+9.5)+7x=13

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Solution for -2(7.5x+9.5)+7x=13 equation:


Simplifying
-2(7.5x + 9.5) + 7x = 13

Reorder the terms:
-2(9.5 + 7.5x) + 7x = 13
(9.5 * -2 + 7.5x * -2) + 7x = 13
(-19 + -15x) + 7x = 13

Combine like terms: -15x + 7x = -8x
-19 + -8x = 13

Solving
-19 + -8x = 13

Solving for variable 'x'.

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

Add '19' to each side of the equation.
-19 + 19 + -8x = 13 + 19

Combine like terms: -19 + 19 = 0
0 + -8x = 13 + 19
-8x = 13 + 19

Combine like terms: 13 + 19 = 32
-8x = 32

Divide each side by '-8'.
x = -4

Simplifying
x = -4

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