2x+7=21(y+8)

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Solution for 2x+7=21(y+8) equation:


Simplifying
2x + 7 = 21(y + 8)

Reorder the terms:
7 + 2x = 21(y + 8)

Reorder the terms:
7 + 2x = 21(8 + y)
7 + 2x = (8 * 21 + y * 21)
7 + 2x = (168 + 21y)

Solving
7 + 2x = 168 + 21y

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 2x = 168 + -7 + 21y

Combine like terms: 7 + -7 = 0
0 + 2x = 168 + -7 + 21y
2x = 168 + -7 + 21y

Combine like terms: 168 + -7 = 161
2x = 161 + 21y

Divide each side by '2'.
x = 80.5 + 10.5y

Simplifying
x = 80.5 + 10.5y

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