3(1+5)-3(-8x-7)=-45

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Solution for 3(1+5)-3(-8x-7)=-45 equation:


Simplifying
3(1 + 5) + -3(-8x + -7) = -45

Combine like terms: 1 + 5 = 6
3(6) + -3(-8x + -7) = -45

Multiply 3 * 6
18 + -3(-8x + -7) = -45

Reorder the terms:
18 + -3(-7 + -8x) = -45
18 + (-7 * -3 + -8x * -3) = -45
18 + (21 + 24x) = -45

Combine like terms: 18 + 21 = 39
39 + 24x = -45

Solving
39 + 24x = -45

Solving for variable 'x'.

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

Add '-39' to each side of the equation.
39 + -39 + 24x = -45 + -39

Combine like terms: 39 + -39 = 0
0 + 24x = -45 + -39
24x = -45 + -39

Combine like terms: -45 + -39 = -84
24x = -84

Divide each side by '24'.
x = -3.5

Simplifying
x = -3.5

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