7x(7)+4y=28

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Solution for 7x(7)+4y=28 equation:


Simplifying
7x(7) + 4y = 28

Reorder the terms for easier multiplication:
7 * 7x + 4y = 28

Multiply 7 * 7
49x + 4y = 28

Solving
49x + 4y = 28

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
49x + 4y + -4y = 28 + -4y

Combine like terms: 4y + -4y = 0
49x + 0 = 28 + -4y
49x = 28 + -4y

Divide each side by '49'.
x = 0.5714285714 + -0.08163265306y

Simplifying
x = 0.5714285714 + -0.08163265306y

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