-10(14-r)-2=-7

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Solution for -10(14-r)-2=-7 equation:


Simplifying
-10(14 + -1r) + -2 = -7
(14 * -10 + -1r * -10) + -2 = -7
(-140 + 10r) + -2 = -7

Reorder the terms:
-140 + -2 + 10r = -7

Combine like terms: -140 + -2 = -142
-142 + 10r = -7

Solving
-142 + 10r = -7

Solving for variable 'r'.

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

Add '142' to each side of the equation.
-142 + 142 + 10r = -7 + 142

Combine like terms: -142 + 142 = 0
0 + 10r = -7 + 142
10r = -7 + 142

Combine like terms: -7 + 142 = 135
10r = 135

Divide each side by '10'.
r = 13.5

Simplifying
r = 13.5

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