x+y+578=78(7)-x

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Solution for x+y+578=78(7)-x equation:


Simplifying
x + y + 578 = 78(7) + -1x

Reorder the terms:
578 + x + y = 78(7) + -1x

Multiply 78 * 7
578 + x + y = 546 + -1x

Solving
578 + x + y = 546 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
578 + x + x + y = 546 + -1x + x

Combine like terms: x + x = 2x
578 + 2x + y = 546 + -1x + x

Combine like terms: -1x + x = 0
578 + 2x + y = 546 + 0
578 + 2x + y = 546

Add '-578' to each side of the equation.
578 + 2x + -578 + y = 546 + -578

Reorder the terms:
578 + -578 + 2x + y = 546 + -578

Combine like terms: 578 + -578 = 0
0 + 2x + y = 546 + -578
2x + y = 546 + -578

Combine like terms: 546 + -578 = -32
2x + y = -32

Add '-1y' to each side of the equation.
2x + y + -1y = -32 + -1y

Combine like terms: y + -1y = 0
2x + 0 = -32 + -1y
2x = -32 + -1y

Divide each side by '2'.
x = -16 + -0.5y

Simplifying
x = -16 + -0.5y

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