45=7x+x-3

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Solution for 45=7x+x-3 equation:


Simplifying
45 = 7x + x + -3

Reorder the terms:
45 = -3 + 7x + x

Combine like terms: 7x + x = 8x
45 = -3 + 8x

Solving
45 = -3 + 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.
45 + -8x = -3 + 8x + -8x

Combine like terms: 8x + -8x = 0
45 + -8x = -3 + 0
45 + -8x = -3

Add '-45' to each side of the equation.
45 + -45 + -8x = -3 + -45

Combine like terms: 45 + -45 = 0
0 + -8x = -3 + -45
-8x = -3 + -45

Combine like terms: -3 + -45 = -48
-8x = -48

Divide each side by '-8'.
x = 6

Simplifying
x = 6

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