147=7(-6r+3)

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Solution for 147=7(-6r+3) equation:


Simplifying
147 = 7(-6r + 3)

Reorder the terms:
147 = 7(3 + -6r)
147 = (3 * 7 + -6r * 7)
147 = (21 + -42r)

Solving
147 = 21 + -42r

Solving for variable 'r'.

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

Add '42r' to each side of the equation.
147 + 42r = 21 + -42r + 42r

Combine like terms: -42r + 42r = 0
147 + 42r = 21 + 0
147 + 42r = 21

Add '-147' to each side of the equation.
147 + -147 + 42r = 21 + -147

Combine like terms: 147 + -147 = 0
0 + 42r = 21 + -147
42r = 21 + -147

Combine like terms: 21 + -147 = -126
42r = -126

Divide each side by '42'.
r = -3

Simplifying
r = -3

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