120s-840=30s+4920

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Solution for 120s-840=30s+4920 equation:


Simplifying
120s + -840 = 30s + 4920

Reorder the terms:
-840 + 120s = 30s + 4920

Reorder the terms:
-840 + 120s = 4920 + 30s

Solving
-840 + 120s = 4920 + 30s

Solving for variable 's'.

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

Add '-30s' to each side of the equation.
-840 + 120s + -30s = 4920 + 30s + -30s

Combine like terms: 120s + -30s = 90s
-840 + 90s = 4920 + 30s + -30s

Combine like terms: 30s + -30s = 0
-840 + 90s = 4920 + 0
-840 + 90s = 4920

Add '840' to each side of the equation.
-840 + 840 + 90s = 4920 + 840

Combine like terms: -840 + 840 = 0
0 + 90s = 4920 + 840
90s = 4920 + 840

Combine like terms: 4920 + 840 = 5760
90s = 5760

Divide each side by '90'.
s = 64

Simplifying
s = 64

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