7.5+(-2)[x+(-1)]=7

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Solution for 7.5+(-2)[x+(-1)]=7 equation: 


Simplifying
7.5 + (-2)[x + (-1)] = 7
7.5 + -2[x + -1] = 7

Reorder the terms:
7.5 + -2[-1 + x] = 7
7.5 + [-1 * -2 + x * -2] = 7
7.5 + [2 + -2x] = 7

Combine like terms: 7.5 + 2 = 9.5
9.5 + -2x = 7

Solving
9.5 + -2x = 7

Solving for variable 'x'.

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

Add '-9.5' to each side of the equation.
9.5 + -9.5 + -2x = 7 + -9.5

Combine like terms: 9.5 + -9.5 = 0.0
0.0 + -2x = 7 + -9.5
-2x = 7 + -9.5

Combine like terms: 7 + -9.5 = -2.5
-2x = -2.5

Divide each side by '-2'.
x = 1.25

Simplifying
x = 1.25

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