7-y+.3y=.6(7-y+y)

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Solution for 7-y+.3y=.6(7-y+y) equation:


Simplifying
7 + -1y + 0.3y = 0.6(7 + -1y + y)

Combine like terms: -1y + 0.3y = -0.7y
7 + -0.7y = 0.6(7 + -1y + y)

Combine like terms: -1y + y = 0
7 + -0.7y = 0.6(7 + 0)
7 + -0.7y = 0.6(7)

Multiply 0.6 * 7
7 + -0.7y = 4.2

Solving
7 + -0.7y = 4.2

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + -0.7y = 4.2 + -7

Combine like terms: 7 + -7 = 0
0 + -0.7y = 4.2 + -7
-0.7y = 4.2 + -7

Combine like terms: 4.2 + -7 = -2.8
-0.7y = -2.8

Divide each side by '-0.7'.
y = 4

Simplifying
y = 4

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