40=3x+7x-10

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Solution for 40=3x+7x-10 equation:


Simplifying
40 = 3x + 7x + -10

Reorder the terms:
40 = -10 + 3x + 7x

Combine like terms: 3x + 7x = 10x
40 = -10 + 10x

Solving
40 = -10 + 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.
40 + -10x = -10 + 10x + -10x

Combine like terms: 10x + -10x = 0
40 + -10x = -10 + 0
40 + -10x = -10

Add '-40' to each side of the equation.
40 + -40 + -10x = -10 + -40

Combine like terms: 40 + -40 = 0
0 + -10x = -10 + -40
-10x = -10 + -40

Combine like terms: -10 + -40 = -50
-10x = -50

Divide each side by '-10'.
x = 5

Simplifying
x = 5

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