-0.3 - (1 - 7x) = -5 + 3.7x
Distribute the minus sign in front of the parentheses: -0.3 - 1 + 7x = -5 + 3.7x
Combine the numbers on the left side: -1.3 + 7x = -5 + 3.7x
Subtract 3.7x from both sides: -1.3 + 3.3x = -5
Add 1.3 to both sides: 3.3x = -3.7
Divide both sides by 3.3: x = -3.7/3.3
Use a calculator to finish this:
-0.3 - (1 - 7x) = -5 + 3.7x
Distribute the minus sign in front of the parentheses: -0.3 - 1 + 7x = -5 + 3.7x
Combine the numbers on the left side: -1.3 + 7x = -5 + 3.7x
Subtract 3.7x from both sides: -1.3 + 3.3x = -5
Add 1.3 to both sides: 3.3x = -3.7
Divide both sides by 3.3: x = -3.7/3.3
Use a calculator to finish this: