7+4(x-4)=8x-45

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Solution for 7+4(x-4)=8x-45 equation:


Simplifying
7 + 4(x + -4) = 8x + -45

Reorder the terms:
7 + 4(-4 + x) = 8x + -45
7 + (-4 * 4 + x * 4) = 8x + -45
7 + (-16 + 4x) = 8x + -45

Combine like terms: 7 + -16 = -9
-9 + 4x = 8x + -45

Reorder the terms:
-9 + 4x = -45 + 8x

Solving
-9 + 4x = -45 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-9 + 4x + -8x = -45 + 8x + -8x

Combine like terms: 4x + -8x = -4x
-9 + -4x = -45 + 8x + -8x

Combine like terms: 8x + -8x = 0
-9 + -4x = -45 + 0
-9 + -4x = -45

Add '9' to each side of the equation.
-9 + 9 + -4x = -45 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = -45 + 9
-4x = -45 + 9

Combine like terms: -45 + 9 = -36
-4x = -36

Divide each side by '-4'.
x = 9

Simplifying
x = 9

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