3x*7=5x+40

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Solution for 3x*7=5x+40 equation:


Simplifying
3x * 7 = 5x + 40

Reorder the terms for easier multiplication:
3 * 7x = 5x + 40

Multiply 3 * 7
21x = 5x + 40

Reorder the terms:
21x = 40 + 5x

Solving
21x = 40 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
21x + -5x = 40 + 5x + -5x

Combine like terms: 21x + -5x = 16x
16x = 40 + 5x + -5x

Combine like terms: 5x + -5x = 0
16x = 40 + 0
16x = 40

Divide each side by '16'.
x = 2.5

Simplifying
x = 2.5

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