45=3x+7x+5

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Solution for 45=3x+7x+5 equation:


Simplifying
45 = 3x + 7x + 5

Reorder the terms:
45 = 5 + 3x + 7x

Combine like terms: 3x + 7x = 10x
45 = 5 + 10x

Solving
45 = 5 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
45 + -10x = 5 + 10x + -10x

Combine like terms: 10x + -10x = 0
45 + -10x = 5 + 0
45 + -10x = 5

Add '-45' to each side of the equation.
45 + -45 + -10x = 5 + -45

Combine like terms: 45 + -45 = 0
0 + -10x = 5 + -45
-10x = 5 + -45

Combine like terms: 5 + -45 = -40
-10x = -40

Divide each side by '-10'.
x = 4

Simplifying
x = 4

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