3x-5(-x-7)=45

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Solution for 3x-5(-x-7)=45 equation:


Simplifying
3x + -5(-1x + -7) = 45

Reorder the terms:
3x + -5(-7 + -1x) = 45
3x + (-7 * -5 + -1x * -5) = 45
3x + (35 + 5x) = 45

Reorder the terms:
35 + 3x + 5x = 45

Combine like terms: 3x + 5x = 8x
35 + 8x = 45

Solving
35 + 8x = 45

Solving for variable 'x'.

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

Add '-35' to each side of the equation.
35 + -35 + 8x = 45 + -35

Combine like terms: 35 + -35 = 0
0 + 8x = 45 + -35
8x = 45 + -35

Combine like terms: 45 + -35 = 10
8x = 10

Divide each side by '8'.
x = 1.25

Simplifying
x = 1.25

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