4x-45=7(x-9)

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Solution for 4x-45=7(x-9) equation:


Simplifying
4x + -45 = 7(x + -9)

Reorder the terms:
-45 + 4x = 7(x + -9)

Reorder the terms:
-45 + 4x = 7(-9 + x)
-45 + 4x = (-9 * 7 + x * 7)
-45 + 4x = (-63 + 7x)

Solving
-45 + 4x = -63 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-45 + 4x + -7x = -63 + 7x + -7x

Combine like terms: 4x + -7x = -3x
-45 + -3x = -63 + 7x + -7x

Combine like terms: 7x + -7x = 0
-45 + -3x = -63 + 0
-45 + -3x = -63

Add '45' to each side of the equation.
-45 + 45 + -3x = -63 + 45

Combine like terms: -45 + 45 = 0
0 + -3x = -63 + 45
-3x = -63 + 45

Combine like terms: -63 + 45 = -18
-3x = -18

Divide each side by '-3'.
x = 6

Simplifying
x = 6

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