0.8r+7=-0.7r+1

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Solution for 0.8r+7=-0.7r+1 equation: 


Simplifying
0.8r + 7 = -0.7r + 1

Reorder the terms:
7 + 0.8r = -0.7r + 1

Reorder the terms:
7 + 0.8r = 1 + -0.7r

Solving
7 + 0.8r = 1 + -0.7r

Solving for variable 'r'.

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

Add '0.7r' to each side of the equation.
7 + 0.8r + 0.7r = 1 + -0.7r + 0.7r

Combine like terms: 0.8r + 0.7r = 1.5r
7 + 1.5r = 1 + -0.7r + 0.7r

Combine like terms: -0.7r + 0.7r = 0.0
7 + 1.5r = 1 + 0.0
7 + 1.5r = 1

Add '-7' to each side of the equation.
7 + -7 + 1.5r = 1 + -7

Combine like terms: 7 + -7 = 0
0 + 1.5r = 1 + -7
1.5r = 1 + -7

Combine like terms: 1 + -7 = -6
1.5r = -6

Divide each side by '1.5'.
r = -4

Simplifying
r = -4

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