2y+7(2y+20)=20

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Solution for 2y+7(2y+20)=20 equation:


Simplifying
2y + 7(2y + 20) = 20

Reorder the terms:
2y + 7(20 + 2y) = 20
2y + (20 * 7 + 2y * 7) = 20
2y + (140 + 14y) = 20

Reorder the terms:
140 + 2y + 14y = 20

Combine like terms: 2y + 14y = 16y
140 + 16y = 20

Solving
140 + 16y = 20

Solving for variable 'y'.

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

Add '-140' to each side of the equation.
140 + -140 + 16y = 20 + -140

Combine like terms: 140 + -140 = 0
0 + 16y = 20 + -140
16y = 20 + -140

Combine like terms: 20 + -140 = -120
16y = -120

Divide each side by '16'.
y = -7.5

Simplifying
y = -7.5

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