4(19r-7)=36(-35-31r)+40

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Solution for 4(19r-7)=36(-35-31r)+40 equation:


Simplifying
4(19r + -7) = 36(-35 + -31r) + 40

Reorder the terms:
4(-7 + 19r) = 36(-35 + -31r) + 40
(-7 * 4 + 19r * 4) = 36(-35 + -31r) + 40
(-28 + 76r) = 36(-35 + -31r) + 40
-28 + 76r = (-35 * 36 + -31r * 36) + 40
-28 + 76r = (-1260 + -1116r) + 40

Reorder the terms:
-28 + 76r = -1260 + 40 + -1116r

Combine like terms: -1260 + 40 = -1220
-28 + 76r = -1220 + -1116r

Solving
-28 + 76r = -1220 + -1116r

Solving for variable 'r'.

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

Add '1116r' to each side of the equation.
-28 + 76r + 1116r = -1220 + -1116r + 1116r

Combine like terms: 76r + 1116r = 1192r
-28 + 1192r = -1220 + -1116r + 1116r

Combine like terms: -1116r + 1116r = 0
-28 + 1192r = -1220 + 0
-28 + 1192r = -1220

Add '28' to each side of the equation.
-28 + 28 + 1192r = -1220 + 28

Combine like terms: -28 + 28 = 0
0 + 1192r = -1220 + 28
1192r = -1220 + 28

Combine like terms: -1220 + 28 = -1192
1192r = -1192

Divide each side by '1192'.
r = -1

Simplifying
r = -1

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