-0.7r+2=-4.2r-1.5

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Solution for -0.7r+2=-4.2r-1.5 equation: 


Simplifying
-0.7r + 2 = -4.2r + -1.5

Reorder the terms:
2 + -0.7r = -4.2r + -1.5

Reorder the terms:
2 + -0.7r = -1.5 + -4.2r

Solving
2 + -0.7r = -1.5 + -4.2r

Solving for variable 'r'.

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

Add '4.2r' to each side of the equation.
2 + -0.7r + 4.2r = -1.5 + -4.2r + 4.2r

Combine like terms: -0.7r + 4.2r = 3.5r
2 + 3.5r = -1.5 + -4.2r + 4.2r

Combine like terms: -4.2r + 4.2r = 0.0
2 + 3.5r = -1.5 + 0.0
2 + 3.5r = -1.5

Add '-2' to each side of the equation.
2 + -2 + 3.5r = -1.5 + -2

Combine like terms: 2 + -2 = 0
0 + 3.5r = -1.5 + -2
3.5r = -1.5 + -2

Combine like terms: -1.5 + -2 = -3.5
3.5r = -3.5

Divide each side by '3.5'.
r = -1

Simplifying
r = -1

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